http://en.wikipedia.org/wiki/Khumbu_Icefall http://en.wikipedia.org/wiki/Khumbu_Icefall They walk up that thing, its called Khumbu icefall. Basically the valle

http://en.wikipedia.org/wiki/Khumbu_Icefall http://en.wikipedia.org/wiki/Khumbu_Icefall They walk up that thing, its called Khumbu icefall. Basically the valley glacier spilling out in slow motion. Its incredibly dangerous (as you probably surmise), even though its at the bottom. Since the ice is all cracked up, many people fall into the cracks. Believe the local sherpas do most of the work each year to find a safe route through that mess.