Zhào zhōu qiáo
Zhaozhou bridge over Xiao River 洨河[Xiáo hé] in Zhao county 趙縣|赵县[Zhào xiàn], Shijiazhuang, Hebei, dating back to the Sui dynasty 隋代[Súi dài] (581-617) and the world's oldest extant stone arch bridge
Zhào zhōu Qiáo
Zhaozhou Bridge over Xiao River 洨河[Xiao2 He2] in Zhao county 趙縣|赵县[Zhao4 Xian4], Shijiazhuang, Hebei, dating back to the Sui dynasty 隋代[Sui2 dai4] (581-617) and the world's oldest extant stone arch bridge