Like those of Taipei today, the residents of ancient China's cities worried about fires and about how to dispose of their garbage and waste water. And they likewise needed green spaces, parks and other leisure facilities.
中國歷史上的大城市一樣有今天台北市面臨的公共安全、垃圾何處去與汙水處理的問題，也一樣需要綠地、公園等休閒設施。