Ice drifting appears in Heihe Grand Canyon in Qinghai(1/6)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)

Clusters of ice drift in waters of Heihe gorge in Qilian County, Haibei Tibetan Autonomous Prefecture, northwest China's Qinghai Province. The Heihe River is the second largest inland river in China and the Heihe Grand Canyon in this scenic spot is the third largest canyon in the world. (Photo: China News Service/Bao Lei)