Precious Belt Bridge
Baodai Qiao
Grand Canal, Wuzhong District, Suzhou
Tang (815 CE tradition)
Wang Zhongshu Grand Canal Towpath Tang Hydraulics
Baodai Qiao is engineering as political theater: a Tang solution to the dangerous interface between canal barges and Taihu-like fetches. Its long low profile distributes weight across many spans, embodying the fiscal and technical ambition of Tang southeast administration.