Dū jiāng yàn
Dujiangyan in Sichuan, a famous water engineering project and World Heritage Site
Dujiangyan county level city in Chengdu 成都[Cheng2 du1], Sichuan
Dū jiāng yàn shì
Dujiangyan county level city in Chengdu 成都[Cheng2 du1], Sichuan
Lǐ Bīng
Li Bing (c 230 BC) historical hydraulic engineer of DuJiangYan 都江堰