Working staff monitor operating equipment of Jinghong Hydropower Station in Dai autonomous prefecture of Xishuangbanna of Southwest China’s Yunnan province, March 20, 2016. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch.[Photo/Xinhua]

Stairs and vegetable fields are partially submerged at the lower reaches of Lancang River in Southwest China’s Yunnan province, March 20, 2016. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch. [Photo/Xinhua]

Photo taken on March 20, 2016 shows the dam of Jinghong Hydropower Station in Dai autonomous prefecture of Xishuangbanna of Southwest China’s Yunnan province. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch.[Photo/Xinhua]

Combined photo taken on March 20, 2016 shows a marked fall of water level of reservoir (L) to about 598 meters (R) in Jinghong Hydropower Station in Dai autonomous prefecture of Xishuangbanna of Southwest China’s Yunnan province. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch.[Photo/Xinhua]

Photo taken on March 20, 2016 shows monitor screens displaying water-level scales around the damsite and near the tail water at Jinghong Hydropower Station in Dai autonomous prefecture of Xishuangbanna of Southwest China’s Yunnan province. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch.[Photo/Xinhua]

Working staff operate running device at Jinghong Hydropower Station in Dai autonomous prefecture of Xishuangbanna of Southwest China’s Yunnan province, March 20, 2016. In order to help alleviate drought in Laos, Myanmar, Thailand, Cambodia and Vietnam, China releases emergency water supply from Jinghong Hydropower Station to downstream Mekong River from March 15 to April 10. Mekong River originates in China and runs through the above five countries. It is known as Lancang in the Chinese stretch.[Photo/Xinhua]