Desc: Death Zone: Cleaning Mount Everest: Directed by Marina Martins. With Namgyal Sherpa, Chakra B. Karki, Purna Kumar Sherpa, Sabin Basnyat. The dramatic self-documented story of 20 elite Nepali climbers who venture into the "Death Zone" of Mount Everest to restore their sacred mountain and the contaminated water source of 1.3 billion people.