Kommunalka
In Saint Petersburg in Russia, there still exist communal apartments, vestiges of the Soviet system. People from all backgrounds and social classes are gathered together here, due to circumstance. They form a cross-section of Russian society grouped together in the same place. Kommunalka is a-slice-of-life portrait of a communal apartment in Sovetskaya Street
Starring Françoise Huguier, Mano Siri
It's a documentary movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.