Herdsmen herd their sheep by a lake on Qiangtang Grassland at Baingoin County of Naqu in southwest China's Tibet Autonomous Region. Photo:China News Service

Magnificent view of lake and snow mountain at Shuanghu county of Naqu in southwest China's Tibet Autonomous Region. Photo:China News Service

Stunning Milky Way over Shuanghu county of Naqu in southwest China's Tibet Autonomous Region. Photo:China News Service

Aerial view of Shuanghu county of Naqu in southwest China's Tibet Autonomous Region. Photo:China News Service

Photo shows Puruogangri glacier at Shuanghu county of Naqu in southwest China's Tibet Autonomous Region. Photo:China News Service