Photo taken on Oct. 22, 2014 shows trees covering and surrounding the Yumuling Great Wall in autumn color in Qianxi County, north China's Hebei Province. (Xinhua/Zhu Xudong)
Photo taken on Oct. 22, 2014 shows trees covering and surrounding the Yumuling Great Wall in autumn color in Qianxi County, north China's Hebei Province. (Xinhua/Zhu Xudong)
Photo taken on Oct. 22, 2014 shows trees covering and surrounding the Yumuling Great Wall in autumn color in Qianxi County, north China's Hebei Province. (Xinhua/Zhu Xudong)
Photo taken on Oct. 22, 2014 shows trees covering and surrounding the Yumuling Great Wall in autumn color in Qianxi County, north China's Hebei Province. (Xinhua/Zhu Xudong)
