The search for an alternative route to climb Mt. Everest has begun. Mack Butter, a 70-year-old Frenchman, and Pasang Nuru Sherpa of Khumbu Pasanglhamu Village municipality -1, Bupsa, have started searching for an alternative to Khumbu Icefall based on Nuptse Himal. Mack Butter climbed Mt. …