Mt. Everest isn't the most dangerous mountain in the world, but its place as the highest peak and the thousands of people, from professionals to amateurs, who have tried to climb it make it one of the most fascinating. Everest has become so popular that climbing it has become an efficient business, with guides and sherpas making year-round livings taking people to the summit. But like any business, climbing Mt. Everest requires a supply chain — one of the most dangerous logistics cases ever.