Photo taken on Sept 3, 2018 shows the night scenery in Xibu old street of Wulingyuan district of Zhangjiajie city, Central China’s Hunan province. [Photo/Xinhua]

Photo taken on Sept 3, 2018 shows the night scenery in Xibu old street of Wulingyuan district of Zhangjiajie city, Central China’s Hunan province. [Photo/Xinhua]

Photo taken on Sept 3, 2018 shows the night scenery in Xibu old street of Wulingyuan district of Zhangjiajie city, Central China’s Hunan province. [Photo/Xinhua]

Photo taken on Sept 3, 2018 shows the night scenery in Xibu old street of Wulingyuan district of Zhangjiajie city, Central China’s Hunan province. [Photo/Xinhua]