Title: Jing Hang da yun he Qingkou shui li shu niu kao gu bao gao
Subjects: Excavations (Archaeology), Dams, Hydraulic engineering, Antiquities, Da yun he, Shui li shu niu, Kao gu fa jue, Fa jue bao gao
Places: China, Grand Canal, Huai'an Shi (Jiangsu Sheng), Grand Canal (China), Huai'an Shi (Jiangsu Sheng, China), jiang su sheng, huai an shi