FILE PHOTO: The Baihetan hydropower plant is seen in operation on the border between Qiaojia county of Yunnan province and Ningnan county of Sichuan province, China June 28, 2021. Picture taken with a drone. cnsphoto via REUTERS/File photo
FILE PHOTO: The Baihetan hydropower plant is seen in operation on the border between Qiaojia county of Yunnan province and Ningnan county of Sichuan province, China June 28, 2021. Picture taken with a drone. cnsphoto via REUTERS/File photo