Aerial photo taken on Sept 4, 2020 shows a sightseeing vehicle running by the Caka Salt Lake in Wulan county, Northwest China's Qinghai province. [Photo/Xinhua]
A tourist is seen at the Caka Salt Lake in Wulan county, Northwest China's Qinghai province, Sept 4, 2020. [Photo/Xinhua]
Tourists visit the Caka Salt Lake in Wulan county, Northwest China's Qinghai province, Sept 4, 2020. [Photo/Xinhua]
Aerial photo taken on Sept 4, 2020 shows a sightseeing vehicle running by the Caka Salt Lake in Wulan county, Northwest China's Qinghai province. [Photo/Xinhua]
Tourists visit the Caka Salt Lake in Wulan county, Northwest China's Qinghai province, Sept 4, 2020. [Photo/Xinhua]
Aerial photo taken on Sept 4, 2020 shows the view of the Caka Salt Lake in Wulan county, Northwest China's Qinghai province. [Photo/Xinhua]
A tourist is seen at the Caka Salt Lake in Wulan county, Northwest China's Qinghai province, Sept 4, 2020. [Photo/Xinhua]
Aerial photo taken on Sept 4, 2020 shows a sightseeing vehicle running by the Caka Salt Lake in Wulan county, Northwest China's Qinghai province. [Photo/Xinhua]
Photo taken on Sept 4, 2020 shows a sightseeing vehicle running by the Caka Salt Lake in Wulan county, Northwest China's Qinghai province. [Photo/Xinhua]
