
Tourists walk to visit the Tianchi lake on the Changbaishan Mountain in northeast China's Jilin Province on Aug. 17, 2015. The coolness of the Changbaishan Mountain attracts a large number of tourists every summer. (Xinhua/Xu Chang)

Tourists walk to visit the Tianchi lake on the Changbaishan Mountain in northeast China's Jilin Province on Aug. 17, 2015. The coolness of the Changbaishan Mountain attracts a large number of tourists every summer. (Xinhua/Xu Chang)