File image of the aerial view of the Jinghong Hydropower Station on the Lancang River, the Chinese part of the Mekong River, in Jinghong city, Xishuangbanna Dai Autonomous Prefecture, southwest China's Yunnan province. Imaginechina Limited / Alamy Stock Photo Chinaglobalsouth.com The rainy season would usually start in May, but this was late June and it…