This is a must-see and one of the best documentaries - and films - of this year.

While it doesn't offer any answers, it both thrills and makes you think.

Ok... Let's be honest. It cannot be the best movie but is quite enjoyable. The movie has the potential to develop a great plot for future movies

Yes, absolutely, there is fun to be had, as well as many, many things to go boom, all amid an atmospheric urban jungle.