Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)
Mountain ranges stretch on the horizon under the blue sky on a grassland in Dulan County, Haixi Mongolian Tibet Autonomous Prefecture, northwest China's Qinghai Province. (Photo: China News Service/Qi Zengbei)