Day 4: Interview with Kancha Sherpa, member of 1953 expedition to Mt. Everest with Sir Edmund Hillary and Sherpa Tenzing. in Namche Bazar (3330m).Nepal - Trek to Sagarmatha National Park from Lukla (2840) via Namche Bazar (3340m)to Gokyo Lake and Mount Gokyo Ri at 5357m altitude and return via Phortse and Monju to Lukla..PhotoCredit: fotoSwiss.com/cattaneo