Tourists climb the Mutianyu section of the Great Wall in Beijing, capital of China, June 14, 2015.[Photo/Xinhua]
Tourists climb the Mutianyu section of the Great Wall in Beijing, capital of China, June 14, 2015.[Photo/Xinhua]
A tourist takes selfie on the Mutianyu section of the Great Wall in Beijing, capital of China, June 14, 2015.[Photo/Xinhua]
