Tourists visit Zhengding old town in Zhengding County, north China's Hebei Province, Sept. 24, 2018. (Xinhua/Liang Zidong)
2018-09-25
Tourists visit Zhengding old town in Zhengding County, north China's Hebei Province, Sept. 24, 2018. (Xinhua/Liang Zidong)
Xinhua