A snow sweeper driver clear the ice on the wipers in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, Feb. 19, 2017. Urumqi witnessed heavy snowfall since Feb. 19. (Xinhua/Hu Huhu)
A snow sweeper driver clear the ice on the wipers in Urumqi, capital of northwest China's Xinjiang Uygur Autonomous Region, Feb. 19, 2017. Urumqi witnessed heavy snowfall since Feb. 19. (Xinhua/Hu Huhu)