At over 2 hours it seems long for this kind of thing, but it doesn't seem too long as I watch it. The first hour sets the scene, and the second hour shows the aftermath. I remember seeing this when it came out.
The film is at googlevideo:
Moria claims it "exists more as a controversy than it does as a film" saying,
the film’s problem is that characters are blank identities full of even more banal responses. Events happen – bomb explodes, people fight for water – but there’s no drama here.