A tourist takes pictures of the snow-covered Tianchi Lake on the Changbai Mountain in northeast China's Jilin Province, March 22, 2014. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)

People take pictures of a canyon on the Changbai Mountain in northeast China's Jilin Province, March 22, 2014. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)

Photo taken on March 22, 2014 shows the scenery of a canyon on the Changbai Mountain in northeast China's Jilin Province. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)

Two topless men pose for pictures on the Changbai Mountain in northeast China's Jilin Province, March 22, 2014. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)

People enjoy snowboarding on the Changbai Mountain in northeast China's Jilin Province, March 22, 2014. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)

A tourist walks on a suspension bridge on the Changbai Mountain in northeast China's Jilin Province, March 22, 2014. The beautiful scenery of Changbai Mountain in early spring attracted many tourists. (Xinhua/Xu Chang)