Photo taken on May 12, 2014 shows clouds over the Jinshanling Great Wall in Beijing, capital of China. (Xinhua/Zhang Aidong)
Photo taken on May 12, 2014 shows clouds over the Jinshanling Great Wall in Beijing, capital of China. (Xinhua/Zhang Aidong)
Photo taken on May 12, 2014 shows clouds over the Jinshanling Great Wall in Beijing, capital of China. (Xinhua/Zhang Aidong)
Photo taken on May 12, 2014 shows clouds over the Jinshanling Great Wall in Beijing, capital of China. (Xinhua/Zhang Aidong)
Photo taken on May 12, 2014 shows clouds over the Jinshanling Great Wall in Beijing, capital of China. (Xinhua/Zhang Aidong)
