Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Xu Qin)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Wang Xuebing)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Wang Xuebing)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Wang Xuebing)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Wang Xuebing)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Xu Qin)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Xu Qin)

Photo taken on Nov. 25, 2019 shows the dusk view of Hexigten stone forest scenic spot in Hexigten Banner of Chifeng City, north China's Inner Mongolia Autonomous Region. Hexigten stone forest is a scenic spot with 5A-level ratings, the highest rating in China. The naturally formed stone forest is famous for its uniqueness in terms of stone shapes. (Xinhua/Xu Qin)