Aerial photo taken on Sept. 17, 2018 shows the scenery at Lengji Bay in the forest area of Genhe in the Greater Khingan Mountains, north China's Inner Mongolia Autonomous Region. (Photo: Xinhua)
Aerial photo taken on Sept. 19, 2018 shows the scenery of Nomin riverside in the Greater Khingan Mountains, north China's Inner Mongolia Autonomous Region. (Photo: Xinhua)
Aerial photo taken on Sept. 21, 2018 shows the mist-enveloped Da'erbin Lake National Forest Park in the Greater Khingan Mountains, north China's Inner Mongolia Autonomous Region. (Photo: Xinhua)
Aerial photo taken on Sept. 20, 2018 shows the scenery of Shenzhi Gorge in Da'erbin Lake National Forest Park in the Greater Khingan Mountains, north China's Inner Mongolia Autonomous Region.(Photo: Xinhua)