A reception center and a parking lot at the foot of Xifengkou Great Wall, about 50 kilometers in northwest of Qianxi county, North China's Hebei province, July 16, 2015. (Photo/Xinhua)
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A reception center and a parking lot at the foot of Xifengkou Great Wall, about 50 kilometers in northwest of Qianxi county, North China's Hebei province, July 16, 2015. (Photo/Xinhua)
