A tourist takes photo on the Changbai Mountain in northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
Visitors take photo of Tianchi Lake on the Changbai Mountain, northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
Tourists visit the Changbai Mountain in northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
Tourists visit the Changbai Mountain in northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
Photo taken on Sept. 15, 2013 shows the scenery of the Changbai Mountain in northeast China's Jilin Province. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
A tourist takes photo on the Changbai Mountain in northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)
A visitor views the scenery of Tianchi Lake by telescope on the Changbai Mountain, northeast China's Jilin Province, Sept. 15, 2013. The Changbai Mountain will witness a travel peak as the Mid-Autumn Festival and the National Day holidays are coming. (Xinhua/Zhang Nan)