A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)
A sea of clouds float over Qilian Mountain at Qilian County, Haibei Tibetan Autonomous Prefecture, Qinghai Province in July. (Photo: China News Service/Bao Lei)