As winter comes, early snow falls on mountains around Jilintai Reservoir in Nilka County, northwest China's Xinjiang Uygur Autonomous Region, November 19, 2020. /CFP

Surrounded by snow mountains, the reservoir, with its crystal teal water, looks like a giant piece of emerald. /CFP

Jilintai Reservoir, part of a hydroelectric power station built on the Kashi River in Ili Kazak Autonomous Prefecture, Xinjiang, is also a scenic spot for its picturesque water and mountains. /CFP