★ 7.6
★ 7.5
★ 4.0
★ 8.0
★ 0.0
★ 7.0
★ 6.9
★ 6.0
★ 10.0
★ 8.1
★ 7.7
★ 7.2
This look behind the scenes shows how worldwide camera crews climbed, dived and froze to capture the documentary's groundbreaking night footage.
