Aerial photo taken on Jan. 21, 2021 shows a railway track snow removing machine in operation in Maytas windy area along the Karamay-Tacheng railway, in northwest China's Xinjiang Uygur Autonomous Region. Maytas, dubbed "Hell of Wind," is a wild area where the Karamay-Tacheng railway trunk line in Xinjiang runs through. It is also a place where the Tiechanggou repairing team under the China Railway Urumqi Bureau Group Co., Ltd. is on the watch 24 hours a day to ensure safe operation of all trains passing by. (Xinhua/Hu Huhu)
