'Every second was important': Phunjo Lama, the fastest woman to scale Mount Everest

Nepali mountaineer Phunjo Lama at an Everest base camp in the Mount Everest region of Solukhumbu district in eastern Nepal.

Nepali mountaineer Phunjo Lama at an Everest base camp in the Mount Everest region of Solukhumbu district in eastern Nepal. Source: AFP / PRAKASH MATHEMA/AFP via Getty Images