Mountains: Life in Thin Air Human Planet : Season 1 Episode 5
TV-PG BBC One 50m int(0)
Aired: February 10th, 2011 @ 8:00 PM EST on BBC One
From lush cloud forests to bare summits, many people make their homes in the extreme altitudes of the world's mountain ranges. Explore the extraordinary ways life is sustained in this world of thin air and few resources.