Photo shows the starry sky over the Dongge Cuona Lake that locates at the source of Yellow River in Madoi County, northwest China's Qinghai Province. With a reputation of the "Thousand Lakes County", it has an average elevation of about 4,200 meters, and it is the core area of Sanjiangyuan Nature Reserve. (Photo/China News Service)
Photo shows the unique winter scenery of the Dongge Cuona Lake that locates at the source of Yellow River in Madoi County, northwest China's Qinghai Province. With a reputation of the "Thousand Lakes County", it has an average elevation of about 4,200 meters, and it is the core area of Sanjiangyuan Nature Reserve. (Photo/China News Service)
Photo shows the unique winter scenery of the Dongge Cuona Lake that locates at the source of Yellow River in Madoi County, northwest China's Qinghai Province. With a reputation of the "Thousand Lakes County", it has an average elevation of about 4,200 meters, and it is the core area of Sanjiangyuan Nature Reserve. (Photo/China News Service)
Photo shows the starry sky over the Dongge Cuona Lake that locates at the source of Yellow River in Madoi County, northwest China's Qinghai Province. With a reputation of the "Thousand Lakes County", it has an average elevation of about 4,200 meters, and it is the core area of Sanjiangyuan Nature Reserve. (Photo/China News Service)
