Tourists visit the Badaling Great Wall in Beijing, capital of China, Oct 23, 2016. [Photo/Xinhua]
Tourists visit the Badaling National Forest Park in Beijing, capital of China, Oct 23, 2016. [Photo/Xinhua]
Tourists visit the Badaling National Forest Park in Beijing, capital of China, Oct 23, 2016. [Photo/Xinhua]
Tourists visit the Badaling National Forest Park in Beijing, capital of China, Oct. 23, 2016. [Photo/Xinhua]
Tourists visit the Badaling National Forest Park in Beijing, capital of China, Oct. 23, 2016. [Photo/Xinhua]
