evidence: March - July 3 Lhasa, 3 Darchen,1 Derapuk, 1 Zuthalpuk, 1 Lake Mansarovar [...] March - July 3 Lhasa, 1 Shigatse, 1 Everest Base Camp, 1 Saga, 2 Darchen,1 Derapuk, 1 Zuthalpuk, 1 Lake Mansarovar [...] 3 Lhasa, 3 Darchen,1 Derapuk, 1 Zuthalpuk, 1 Lake Mansarovar