Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

A boy enjoys hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)

Tourists enjoy hot spring bath at Changbai Mountain Nature Reserve in northeast China's Jilin Province, Feb. 17, 2015. Many people choose to come to snow-crested Changbai Mountain for hot spring bath during winter in recent years. Changbai Mountain range sits in the southeast of Jilin province, on the border between China and the Democratic People's Republic of Korea (DPRK). It is the highest among all mountains in the east edge of the Euro-Asia continent. (Xinhua/Wang Haofei)