Chinese Vice Premier Han Zheng (3rd R), also a member of the Standing Committee of the Political Bureau of the Communist Party of China Central Committee, inquires about sewage collection at a villager's house in Meiba Village of Xizhou Town in Dali, southwest China's Yunnan Province, Feb. 25, 2019. Han Zheng made an inspection tour to southwest Yunnan Province from Sunday to Tuesday, where he examined protection of Erhai Lake and visited local companies. (Xinhua/Wang Ye)