Photo shows snow-covered grassland in Toksun County, northwest China's Xinjiang Uygur autonomous region. Snowfall has turned the grassland into a winter wonderland. (Photo/China News Service)

Photo shows snow-covered grassland in Toksun County, northwest China's Xinjiang Uygur autonomous region. Snowfall has turned the grassland into a winter wonderland. (Photo/China News Service)

Photo shows snow-covered grassland in Toksun County, northwest China's Xinjiang Uygur autonomous region. Snowfall has turned the grassland into a winter wonderland. (Photo/China News Service)

Photo shows snow-covered grassland in Toksun County, northwest China's Xinjiang Uygur autonomous region. Snowfall has turned the grassland into a winter wonderland. (Photo/China News Service)

Photo shows snow-covered grassland in Toksun County, northwest China's Xinjiang Uygur autonomous region. Snowfall has turned the grassland into a winter wonderland. (Photo/China News Service)