灵渠自秦始皇33年开凿至今,已有2200多年。它连接长江、珠江两大水系,为古代具有战略意义的交通航道。灵渠枢纽及渠系,均在广西兴安县境内,现为国家重点文物保护单位与国内外著名的旅游胜地。灵渠枢纽包括铧咀、大、小天平(溢流堰)、南、北陡(进水口)、南、北渠及其渠系建筑物组成。(见图1) Ling dynasty from the Qin Shi Huang 33 years has been excavated so far, more than 2,200 years. It connects the Yangtze River and the Pearl River two major water systems, for the ancient strategic traffic lane. Lingqu drainage and canal system, all in Xing’an County, Guangxi Province, is now a national key cultural relics protection units and well-known tourist destination at home and abroad. Lingchu hub, including Hua Tsui, large and small scales (overflow weir), south and north steep (inlet), South and North Drainage Canal and canal structures. (see picture 1)