Director Um Tae-Hwa talks about Concrete Utopia (South Korea’s Official Oscar Submission)

Director Um Tae-Hwa talks about Concrete Utopia (South Korea’s Official Oscar Submission).
What was the inspiration in making the film, the process and how involved were the actors with the script.
Press release:
"After a massive earthquake, Seoul has swiftly been reduced to rubble. Everything in the city has collapsed, except for one building. Hwang Gung Apartments remains standing, as it was before that day. When survivors from the outside hear of this, they begin to gather at Hwang Gung Apartments. However, the original residents of the building start to feel threatened. Banding together for the sake of their survival, they elect ‘Young-tak’ as their Resident Delegate. Under his leadership, they strictly ban entry by outsiders and draw up a new set of Resident Regulations. Thanks to this, in contrast to the hellish nightmare outside, Hwang Gung Apartments stands as a safe and peaceful utopia for its residents. But amidst the continual threats to their survival, unexpected conflicts begin to arise among them…
Based on: KIM SOONG-NYUNG’S WEBTOON ‘CHEERFUL OUTCAST’ PART II, ‘CHEERFUL NEIGHBOR’ Screenplay: LEE Shin-ji, UM Tae-hwa
Director: UM Tae-hwa
Starring: LEE Byung-hun (as Young-tak)
PARK Seo-jun (as Min-sung)
PARK Bo-young (as Myung-hwa)
KIM Sun-young (as Geum-ae)
PARK Ji-hu (as Hye-won)
KIM Do-yoon (as Do-kyun)"
Songs used in the film
*SONG TITLE - ARTIST*
Where is My Coffee - Daniel Fridell
Uppvaknadet - Sven Vindvall
Coffee Jam - Daniel Fridell
Morgondimma - Daniel Fridell