One-of-a-kind documentary by one of the most artistic and dedicated director Christopher Nolan.
Not clearly his best movie so far, but definitely the best documentary movie so far! Hans Zimmer with his magical strokes! Blissful.
Now, the first half may seem stretchy, but the second half is when things get quite complicated and fast, wherein the clues to the puzzle lie in the first half. So, viewers have to be patient and attentive in order to enjoy this masterpiece to the fullest.