A sandstorm swept across Dachaidan Emerald Lake on Wednesday in Haixi Mongolian-Tibetan Autonomous Prefecture, Northwest China’s Qinghai province. Photo: Xinhua

A cloud of dust and sand advanced into the parking lot for the Dachaidan Emerald Lake. Photo: Xinhua

The parking lot is choked with yellow dust. Photo: Xinhua

A tourist train is stationed near the lake as thick dust blankets the site. Photo: VCG

Visitors get off the sightseeing train during the storm. Photo: VCG

A man runs to find shelter during the sandstorm. Photo: Xinhua

People watch from a sightseeing bus as the sandstorm sweeps the land. Photo: VCG

The dust and sand advance across the lake. Photo: VCG