Why don't people repair the buildings and put them back to use?What a F-ing waste.
Was guessing Chernobyl and Fukishima... -**Their half life is decades...
A little commentary would have made this way more interesting.
I think the mystery is necessary to think about the scenes in a way that can be broadly tied to the idea of life after our species. If everything (or anything) was explained, it would derail the entire concept of the film.