It takes place aboard the Snowpiercer train as it travels a globe-encircling track, carrying the last remnants of humanity
https://en.m.wikipedia.org/wiki/Snowpiercer
I don't get it. Houses become so expensive that the last remnants of humanity has to live on a train? Isn't this a "nobody goes there anymore, it's too crowded" situation?
It takes place aboard the Snowpiercer train as it travels a globe-encircling track, carrying the last remnants of humanity
https://en.m.wikipedia.org/wiki/Snowpiercer