The Secret Trap Door Under The Canal
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- čas přidán 17. 05. 2024
- In this family friendly video we get to see the Secret trap door under the canal. The Canal is Manchester city centres Rochdale canal. It has a trap door in the base near the canal lock 89 and this leads to the underground River, the river Tib. The river Tib is one of manchester's lost waterways. Lost rivers. This trapdoor is part of Manchester's history as it is over 200 years old. Its actually 215 years old and put in when the Rochdale canal was built. We were invited to see the conservation work the canal and rivers trust were carrying out in Manchester's Rochdale canal. This is a wonderful piece of canal and British history Thank you to www.substormflow.com for the pictures of the river Tib in this video. #canalandrivertrust #conservation #canal
- Zábava
Thank you to www.substormflow.com for the amazing pictures of the River Tib. Also check his website for some fabulous Underground Pictures and info its an eyeopener !!!
Man i thought there was only me giddy about the tib! I walk by there a good few times a week.
Thanks man
Martin, thank you so much for this video! Brilliant! Your passion for this canal and drain was infectious and fascinating to me. I live in Napa Valley, California and that drain door is nearly older than my country. Fascinating!
That is an amazing collection of photos
@Grey Wild Wolf No That's only a rumour LOL
It's not accurate call it a "Trap Door"!... This is a "secret passage" used by those "pikes" for "Masonic Reunions"!... The biggest is "Albert Pike", (the famous 33 degree Master Mason), the other is just a "Initiated" one!... Lol
Thank you for sharing your contagious enthusiasm and your "semi Religious experience" and specially the Nostalgic "Neo Realistic" Poetic moment"!...
It's not everyday that someone manages to catch the attention (for half an hour) of 40 thousand people looking at a "sewer whirpool"!... Hahaha... Cheers
It is quite mind boggling that this trapdoor is sitting there for over 200 years, while important historic events passed by and that door just did its job
Incredible to think that when the canal was being completed, just after this trapdoor had gone in, the people working on it were probably discussing whether or not Napoleon would invade.
I'm 54, lived in Manchester all my life and I never knew about the River Tib or the canal plughole. Freaking amazing video. Well done.
Im 56 and like you, lived in Manchester all my life too but never knew about all this. Wasn’t it a fantastic video? I loved watching it and I’ll have to go and find that arrow now, lol 😆
@@beverleypearson2646 Me too. I'll see you there 😁
@barry herpes I've not been on 28Days for years now. I'll have to take a look. Cheers Barry
Seriously? That's pathetic. Even I know of the River Tib and I live in Glasgow. Why? Because I bought a map in the early 1980s when I went to work there for a while. Every city I've ever worked in no matter where in the world - several dozen of, first thing I did is buy a map. I probably know Manchester better than you do.
I thought you looked older
"Animals in distress distress me". Reason 1000 you're a good man, Martin
The dredger pulled the plug out of the canal at Retford that nobody knew was there. It took some time to repair it!
I have never seen such a passionate video about a drain.
LOL
I have rarely seen such a passionate video period.
Lmfao!!!
This guy really likes a trap door
Exact what I was thinking 😂
Not in the wildest of dreams could the craftsman of the trap door ever imagine that people around the planet would be fascinated by his work 200 years later over what would be called the internet.
So true. How proud he/they would be. No doubt back then they were proud of their workmanship.
@16:43 215 years ago a blacksmith in his forge
made that chain and the hook on the top
and a carpenter or a joiner in his workshop made that door and the frame that it sits in
as commissioned work for the Rochdale canal
older than our parents and our grandparents and older than their parents
and during that 200 years wars have been fought...
the Titanic sank,
and nine British monarchs have lived, reigned and died.
John Strange a million viewers.. he never expected that
He knew it. Thing is everyone else probably thought he was insane. Thats the case for many great thinkers
200 years from now someone will be reading your comment from a spaceship over light communication technology.
I love stories about our hidden / lost rivers. Like the River Fleet in London (Fleet Street), the Tib is marked above by clues on the map. Canals are brilliant places to find thrown away history - one persons rubbish becomes social history years later. The great civil engineers who built Manchester's locks would be rightly proud of what they achieved, and the clean canal looked amazing. Loved the trapdoor. Lots of passion from the guys. Martin, you are a natural teacher. Thank you.
Imagine leaving ur canal boat to go out and come back to see it at the bottom of a drained canal
CZcams finally recommending genuinely good content. His excitement and passion is truely heartwarming. Good job youtube. Much appreciated.
Agreed
I'm not joking, that was totally fascinating. All the cartoons we watched as kids always had a plug in a river or lake, well now we know it's real. Thank you lock 89!
Oh nooo he pulled the maindrain!!!!! Save bakini bottom!!!! SpongeBob gonna dry out!!!! 😂😂😂😂
I am impressed how the Brits take care of their canals.
We do better with our older population 👀👀👀👀👀👀👀👀👀
That's true in places, but lest we forget that Birmingham has got more canals than venice, just a pity that you can't pull a plug and then clean them out, stock a Tesco supermarket with trolleys, if they did, could use the prison population to clean them out, but the court of human rights would say that it's demeaning.
More like once every 200 years. hummmmm ...
@@jasongerrard8940 They actually do, the CRT drains sections and cleans them during winter closures, usually when gates are due to be replaced or maintained so every 20 years or so.
Huddersfield narrow canal closed in 1950 I believe and neglected and filled in in parts standedge tunnel was closed for 50 years and only in 2001 was the canal and tunnel reopened for boats
I'm not sure why the algorithm recommended this video to me, being in the US and all, but it knows I like weird and obscure stuff like this.
It was recommended for me as well - in Canada. I thought the whole thing was fascinating!
I’m from Manchester and all I get recommended is American stuff, I had to actively search for this and I live 5 mins away in real life lol
Brandon Link the same to me, but the difference is I am in Argentina. Much more strange.
i’m also from america, i’ve just found this channel and these videos are so fascinating! i’ve never really thought about canals or drains or anything like this kind of stuff.
Same!
The best part of this video for me was seeing the obvious joy the whole experience gave you. Cheers from Texas!
Indeed. People like him make the world go 'round.
It's the enthusiasm for out of the ordinary things like this shown by Martin, that is the essence of being British!
It woulda been cool to have someone at the spot where the Tib meets the Medlock to see the water coming through!!
just what i thought
I watched it again, props to the old timber! 215 years!!!!!! Absolutely unbelievable how well it has maintained its strength. It is probably good for another 100 years.
You should do a walk down the canal. It must be so much cleaner and clearer now. Who knows, maybe people will be taking a dip in it 10 years from now.
This is exactly kind of content I come to CZcams to see... unique, unusual, historic & interesting. Thanks for posting!
If Martin's not on CZcams Rewind next year I'll be posting them a letter made from newspaper cut outs.
Dang dude ur just like me lol
That blacksmith didnt know that 200 years from now we would all be excited to see the work they did all those years ago!
And that's why you take pride in your work now.
Probably the best comments I've read here
And that I also can see this (in small carphatian village in east europe)
He probably dreamed it would get millions of views on CZcams but didn't think it would ever happen.
Like any good craftsman we build it to make it last
This guy is totally nuts getting so excited about a trap door, and I love it!
Thanks Jeff
Jeff DeWitt :You should watch "Trapdoor Monsters" that was shown to kids on TV about 30 years ago but got banned for not being politically correct. Willie Rushton is the voice of the skull "Boney" I think and I still watch it on CZcams !
Yes yes for a mention of the Hac. A whole program about a drain, you have my respect. I love these films.
The brickwork at the bottom of that lock is beautiful. Those Victorian engineers didn't cut any corners.
EmptyGlass99 so it’s round, your saying it’s round.
J W if they DIDNT (did not) cut the corners then it would be square not round
@@carlwheezerofsouls3273 Think about it carefully.
@@travellingshoes5241 yeah i fuckin did. they didn't cut any corners. he said "so its round. your saying its round"
if they didn't cut the corners off then its still a square
Was your use of the word 'cut' a deliberate play on words?
Meanwhile, on the other side of town... "where is all this water coming from all of a sudden?...I don't know Margret, i don't know?"
"Margo" Christmas Vacation
@@joshuafox3152 I don't knooww Maarrgooo....
LoL..love it...I can just imagine them setting at Park bench...👍
Hhahahahhhahahahahahh Oh look ! a big fish !!!
This is such an epic piece of so much information. You have made me feel , as the viewer, that I was right there with you and your team! Thank you for sharing this information. I just loved the music, the photos , actual live footage and you are exceptional in explaining it all. Your excitement is real and it causes the viewer to share in that excitement. Job well done!
Thank you Kathleen 👍
Women: what is he thinking about?
Men: there's a 200 year old door in that canal, I wonder if it still works?
Bit of a generalisation there...I'm a woman and am fascinated by drains, rivers and culverts.
@@AlisonBryen It's a joke man
Ankanspelar no, it’s an assumption, and not a very valid one.
@@ankanspelar1508 It's a joke that perpetuates stereotypes.
A door .. made by catalytic converters!
I've lived all of my childhood in Athens, where at every single moment everyone's walking indifferently past structures built over 2 and a half millennia ago, things that were already old during the time of Alexander. This man's excitement about a small trapdoor that was built just 200 years ago may seem ridiculous to the cynical, but I find it inspiring and moving. My fellow Greeks, walking past places like Plato's Academy without batting an eyelid, should appreciate their heritage (which gave democracy and philosophy to the whole world) a lot more. Thank you for this video.
@ianjsutt People in England laughed at me because I was so excited to see castles, because they grew up with them and don't see them as anything special. Then I laughed at them because prairie dogs are in the London Zoo, because I grew up with them and used to shoot them because the holes they dig are dangerous to livestock. I guess it's all a matter of perspective.
I grew up just 150 miles from Niagara Falls and I was 26 before I ever saw it. Then I moved 90 minutes outside Manhattan and lived there 3 years before visiting the Statue of Liberty. It is always the belief that it's always been there and will be there forever so I'll get to it someday if I get around to it.
When I lived in the Netherlands for a year I often took women out on dates to castles, tulip gardens, art museums... Almost every conversation was "I've never been here" or "I came here on a school trip when I was little but I've never been back..." To me it was stuff we didn't have much of at home. There are a few castles in NY and as a former Dutch colony we have tulip festivals but nothing in the amount as there is in the Netherlands.
Enjoy what you have near you.
Amazing
Bread Fan in sri lanka many more places having like that old doors and gets over 600years . And Still working condition.
Great video, fascinating insight into our urban waterway. Love your enthusiasm.
Why is it I can never find anything interesting to watch on TV but I can sit down in front of CZcams for hours!
barbelmeister I don’t know who watches tv anymore.
It's always fascinating when bodies of water are drained. Thanx for letting people tag along!!!
As a Mancunian who has lived and worked in the city, I find these videos absolutely riveting. Now I live in West Yorkshire but I'm still fascinated by the history of my home city. Well done Martin.
Dear John. Your like my aunty who went to the other side. She was lovely. There is us (Lancashire) them (Yorkshire) and the other lot don’t matter. That’s a bit rich coming from me I went to the other side of the planet
Cheers enjoy your day
I love how enthusiastic and proud real Mancunians are of their culture
I'd be afraid of the stuff you could pull out of a canal in Manchester 😶😶
JordanRants when i read the title, the thumbnail hasn’t loaded yet. I thought i was gonna watch a rust video. lol.
Jordan Rants idol
Oh hi jordan
Oh hecc, it's the guy who does the things.
True craftsmanship. Wouldn't last 2 years if done today
So they can get that contract money for a second trapdoor...
Pretty amazing how the city got so built up over the River Tib. When I finish work on my DIY time machine this is Definitely on my list of places to watch.
I just had this video show up on my feed, and it was worth the watch. I never thought I'd be jealous of someone for getting to see an trapdoor in a canal, but here we are. I will definitely be watching through your catalog of videos because I love odd, secretive, and forgotten historical tidbits like the ones you find and share.
Thank you 😃👍
Wow this is literally on the back of my workplace, I saw the canal being drained and then as it filled back up last week. Small world
No idea why this was recommended, but i enjoyed it., 👍
dennis 0181 Is same pal
I have no idea why it was recommended either, and I enjoyed it too...Took me 3 minutes to click through. Good click bait with the "hidden trap door" in the title.
This happened to me once too. And since then - I'm hooked up:)
Welcome on board, this is a great channel!
@@hamsolous click bait? how?
Weird. Me too.
That old trap door was super to see. Thanks. In Augusta GA, USA there is a canal system build by English mill owners back in the mid 1800's. It's be restored now. You were spooked by that Pike, the Augusta Canal has know to have six to eight foot alligators.
I always find it interesting and pretty incredible when you think about the construction of the Canals,especially the aqua-ducts and tunnels and bridges when you think they didn’t have Cranes or 360’s/Diggers/Dump trucks etc so mostly everything was built by sheer brute strength and wheelbarrows and buckets.
The same people who built the Canals were the same people who built the Railway probably,I’ve seen firsthand some of the Big Tunnels that were dug and some of the biggest bridges ( on the Railway ) and you just stand there looking at these impressive structures with awe !!.
I used to be a Crane driver and a HGV Lorry Loader Operator ( 60 T/M ) and worked on General Haulage in Construction/Railway/Highways and Water Treatment Plants/Sewage Plants and Big Electricity Stations/Refineries so I’ve seen quite a lot of Things but there is something about the construction of the canals and bridges that just boggles the imagination when you think it was 200 years ago and a lot of it still stands and is still in Extremely Good working order !!!.
I don’t know how I got here but that was fascinating, great video.
same lmao
Same just now
Same here
Hello there reccomendation friends!
CZcams has been trying to draw me here for days. I am glad I did check it out.
Someone needs to drop a waterproof camera with a light down there
Absolutely fantastic! Hidden rivers. Trap doors. River monsters. Civil engineering. It had everything. I love your passion for this subject. Look forward to watching more.
Excellent film ,i sit here and watch these for hours!Thanks!
I've no interest in Manchester, canals, or even canals in Manchester. Don't even know how I stumbled onto this vid but I'm so glad I did. Very interesting. I love all this secret underground stuff. And the way you present the video is just great - such enthusiasm
Right and the Mason markings are very interesting to track down the spacific Mason
Praise the algorithm for giving you the exposure you deserve
just like the fat kid that went camping in the snow whos video went viral.
"Praise the algorithm" sounds like something we're going to hear a lot more in the future... ;-)
@@juliannesermon8057 two hundred years from now there will be a cult centred around serving The Algorithm. All praise The Great Algorithm.
Great content and thoroughly enjoyed ❤
The algorithm chooses videos for each viewer based on what they have watched recently. It is not some magic thing that reccomends it to everyone.
10/10 Canal and River trust , great work and inthusiam
That's amazing that wood held up for 200 years underwater? Surprised they didn't replace it and put the original in a museum!
Realmente acredito que seja restaurada de tempo em tempo.
I love trawling around youtube especially when you find gems like this.....well done you guys.
I know it's a,Bobby dazzler is this
I'm scared of the Pike.
Finally CZcams has recommended something worth watching. The excitement this guy exhibits is like how I feel about food, especially all you can eat buffets.
Nothing better than staring down holes, except watching a video about men looking down holes. Thanks Martin.
Thank you Chris
I never thought that I could be so interested in a trapdoor! Well done Martin in making this video and many thanks to the Canal and River Trust for giving permission. The more we see of the work you do on the canals the more we can appreciate what you do to maintain such a valuable part of our heritage.
This was really random. I never watch this type of thing yet, when CZcams randomly suggested it, I thought I’d check it out. Boy am I glad I did. Thank you for that, friend. That was absolutely fascinating!
Ditto!
I don't know why this was in my feed but I am glad to have stumbled on this. Its amazing how a simple wooden door could withstand 200+ years underwater. Thanks for sharing!
Not sure how I got here but I'm glad I came. Cool story.
What a passionate man - and thanks for saving the fish. 🐟
Your excitement is tangible and I love the way you tie the event to other things in history. You are the kind of person that kids need as a teacher. You could awaken their desire to learn. Great video! Thank you for sharing.
Thought I would watch a minute or two to see if it interested me and ended up watching all the way through. Very good story and your interest in the "trap door" was rather infectious because I found myself really wanting to see this infamous trap door made more than 200 years ago! It's amazing the sheer amount of rubbish people toss into water over time. Fencing, bottles, cans and general debris can really clog these waterways up. Great video! Respect from the United States of America.
Your comment makes me think about Trump's promise in "Drain the Swamp"!... Hahaha
Me too. Started thinking this is going to be boring however the host has a way of drawing you in with his knowledge and enthusiasm. Well done and thanks,
Yep hooked me too...but I'm a history buff anyways.
@john does your mum know your on the internet
I used to work in Manchester city centre 20 years ago and often walked down the canal on my lunch break. I do remember one day that section was drained and I could see what looked like a square wooden bath plug and a big rusty chain. I guessed it was a way of draining the canal but I had no idea it drained in to the river Tib. Thanks for the video that's finally satisfied my curiosity.
Well presented,thank you Martin//
It was very satisfying to see the canal all cleaned up in the end, thanks for including that bit.
I worked as a site manager overseeing the earthworks on land regeneration projects around Manchester for 13 years. Was one of the best jobs ever! Saw some really interesting industrial archeology over the years. I understand your passion Martin. Great channel you have here 👍
Nice one, thanks for sharing
Thanks for sharing the old canal trap door, and I agree it has the pirates of the Caribbean flavor.
Martin, your enthusiasm is infectious, from following your previous videos your professionalism and knowledge of the subjects you cover is increasing with each new episode. Keep up the good work.
His clap and gonorrhea are even more infectious
Can’t believe I just watched grow men pull a plug on a canal, and I really found it fascinating
I think they should be very careful doing this, I've heard there is a passage to hell down there somewhere
@@WarthDader74 😱😂
@@WarthDader74 I think that is in a canal in Venice.
Thanks for sharing that. Blows my mind that men with shovels dug many canals out.
215 years ago (as of the recording of this). It's so crazy to think about the history that's everywhere else in the world, at least the history of life the way we know it, compared to where I live, Indiana in the United States. We had 17 states at that time. Heck, when this was made is when Lewis and Clark began their journey to the west of the Mississippi River.
Thanks for your channel, Martin! It's so cool to learn about all this stuff from so long ago.
best 20+ min of finding a plug hole ever! Seriously though, fantastic to see something that might not be seen for decades again.
Ha 😄yes thats a brilliant way of putting it 😁👍🏼
It was interesting to learn about the buried river, but seeing the picture of the cleaned canal at the end was such a relief! 😂
IcyMidnight it’s a shame that by the end of the weekend after it was refilled it probably had a good 20+ cans/bottles thrown into it.
I know. Once I saw the water drained out I got a bit of anxiety. I was "I hope they clean up all the trash and bricks after they finish what ever they were down there to fix." I want to see how the water looks after it was cleaned.
@@tstuff you can clean it too
Absolutely fascinating ! Brilliant commentary and such enthusiasm . I wish I had had a history teacher like you at school ! Thank you and keep bringing these amazing videos.
Never in my life did I think I would watch a video about a canal trap door and enjoy it.
Thanks glad you enjoyed
I just wish people would stop putting rubbish in the canals! Great video interesting stuff.
I live just at the back of where that video is taken and our patio area backs onto the canal, you should see the things that float past that have been thrown in there. Last year the ducklings were swimming round trying feed and it was heartbreaking to see them pecking at old crisp packets and plastic bits, they were all dead in a week :(
Welcome to Capitalism, where things are only done for the promise of profit
@Nevermind even worse it's filled with people like you
Sad isnt it, people are just too lazy to walk a few steps and put it in the bin. I live near Chelmsford in Essex and that has waterways like this that have to be cleared of all the crap that people chuck in. I bet they find all sorts in there including stuff that's been used in crimes (guns, knives, those wallets had probably been pickpocketed, emptied and flung in the canal to get rid) I bet the canals in London are far worse though, as a lot of London is downright disgusting.
I'm here coz of the rubbish.
I had a semi religious experience watching this video, this is one of the most entertaining videos I have been blessed to enjoy in years. Thank you for posting it!
History, mystery and engineering. Great stuff!
If you watch this video and take a shot every time he says the phrase “ The River Tibs” you can pickle your own liver in one sitting. But seriously, excellent video.
Well done.
The men that built it, a credit to their skills.
Greetings from Australia 👍
Great time capsule of the history. Thanks for sharing
WHY do I love stuff like this? Thanks for posting it!!
Cause its amazing and beautiful. Gorgeous work by thier crews!!! I love it.
It's hard to believe that I've been watching Martins videos for FOUR years. It's Christmas Eve 2023, and I'm revisiting my favorite MZ video. Thanks again, Martin, and keep 'em comin'!!
I stumbled across this video and intrigued by the title settled down to watch it and so glad I did ,a truly fascinating piece of history . Brilliant video! and subscribed.
Thank you, glad you found it and thanks for subscribing 👍🏼
Same as Bram the wades thank you for your time and effort now a subscriber
Couldn't have put it better Bram. Thanks for making the effort to share this with us Martin. Very kind of you to take the time to share such an important moment.
I have to admit I came across it by accident and thought what a sad git but have to admit without people like him history like this would be lost in time fair play to the bloke
Ps I have a mate that would love an hour in there with his metal detector
Amazing, the wood on that door was once a tree from the 18th century, the countryside in England would have been totally different. Mozart and Beethoven etc. would have been writing music whilst it's leaves were rustling in the summers of the 17 & 18 hundreds...
💕
So cool! Thank You for taking me somewhere I will never get to go!
I have to ask this question. Who are the four thousand people who down voted this excellent video? Can you tell us why? Why?
Karl Johnson ok boomer
@@slicedmango1715 Idiots! No respect :-(
Probably scousers Karl.
They probably found the content draining.
I found it fascinating, layers of history.
Southerners.............
This has got a BBC 4 Documentary vibe, very well made. That going down the ladder shot was a funny addition. Enjoyed watching this.
As a Mancunian myself, the Tib was always a bit of an urban myth, a bit of a joke, but to actually see it in action draining the Rochdale canal is fascinating. I also had to watch your lost waterways video, great stuff. I love urban exploring in central Manchester, there's so much hidden around and under the city! Thanks for sharing this :)
Absolutely amazing fascinating video, thank you far better than TV.
Great video Martin, I seem to remember a video of a canal group were cleaning a streach of canal and they pulled up a length of chain with a lump of wood on it, thought no more about it. Came back the next day to carry on and found the canal completely dry!
Oh yeah I heard about that Terry
Shout out to the Canals and River trust guys who let you go scope this out.
That was pretty nice of them!
yeah. they clearly do great work. good guys.
I went to see the work they did on lock 92, Martin has done a vid on that two. The explainer spent 20 mins telling us all about the lock and work they were doing. Fascinating stuff. Obviously went to see this plug hole too!
We didn’t half build stuff to last! The good old days. Nice vid!
Magic, loved every minute of that - proper local history presented with passion! Well done mate 👍
Watching this now, really interesting 👍
21:10 "We need a bigger boat!" Classic lads!!! :-)
What a nice bloke ....
I would NEVER have imagined that such a thing would exist! Amazing! I agree completely with your excitement and your description of the workers who built it.
Excellent video ,Martin a great day out for info re canal history,a huge shout out to the Canal and River Trust for allowing your "hands on" experience, marvellous!
Your excited?!I'm from Laguna Pueblo (Native American) and this is making me excited..I love architecture of all sorts..from the Inuits and there igloos to the great Wall of China to the Greeks,Roman,Incas, Egyptian's..thank you for the history lesson!
How the hell did I end up here! Now I'm gonna be looking for trap doors on random canals!
me too LOL
I was in my back yard looking for hidden trap doors.
the UK canals are so cool, and this is like icing on a cake. i find these old works of engineering and construction fascinating.
Sent here by Foxes Afloat. Thanks
Me as well. I laughed my ass off with his huge fish drama.
See video about trap door in a canal, thats cool. Omg 26 minutes. But really good watch. Nothing better than watching a video with someone that is really excited about what they are doing :)
This needs to be on the BBC!!!
There's not enough black and gay people for this to be on the BBC
There's no peados they won't broadcast it
Agreed. I am from the states but love me some brit telly.
F**k the BBC license fee. I'd rather watch on CZcams. Or any other channel. I'd take adverts over a fee any day.
Mate the bbc is wank why the fuck would anyone sacrifice nearly millions of views on CZcams where they can get ad money directly to them so they can be on an old tv station that everyone thinks is full of pedos and rips everyone off any chance they can? Can’t believe the guys actually liked your comment
i find it amazing that 200 odd years ago someone said, "hey, that canal, lets put a trap door in it to be able to drain it into the river that was once here" amazing!
Great isnt it
@@MartinZero
I used to work for a Gov Utility where i live. Every month or so we would go down into the communications tunnels under our capital city checking for gas leaks. All tunnels were name lower ___ and little lower ___ in sequence with the streets above. There is also a part that goes to a trap door, bolted that intersects with an old creek/river that flowed through the center of the city and exits down in the river, its now the main storm water drain. Most people don't know about it.
I was never able to go it "alone" in the tunnels as we always had a "minder". There are stories that all the tunnels connect to everywhere and were built before the Telco came in as steam tunnels under the city.
I tend to believe this, as there was an industrial accident many years ago , an explosion of welding equipment in the basement of the parliament house, i felt the movement of air when it happened as i was no more than 4 city blocks, in one of the 4 story tunnels/rooms inspection a leak.
Long since stopped working in the area , but will never forget the amazing underground world under the city of Melbourne