Visitors tour in Chongwu ancient town in Quanzhou, southeast China's Fujian Province, Oct. 4, 2016. Chongwu ancient town, a stone town, was one of the over 60 defense fortresses built in Ming dynasty (1368-1644) along China's coast. It also features widely known cultural folk custom of the Hui'an Maiden. (Photo: Xinhua/Song Weiwei)