portant; overflow-wrap: break-word !important; word-break: break-all !important;">京杭大运河是世界上里程最长、最古老的的人工运河之一，并且一直使用至今。2002年，大运河被纳入了“南水北调”东线工程，这条古老的运河至今都在发挥着重要作用。

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portant; overflow-wrap: break-word !important; word-break: break-all !important;">京杭大运河始于春秋吴国为伐齐国而开凿，隋朝大幅度扩修并贯通至都城洛阳且连涿郡，元朝翻修时弃洛阳而取直至北京。京杭大运河北起通州南至杭州，贯通海河、黄河、淮河、长江、钱塘江五大水系，全长1794千米。京杭大运河是中国唯一一条南北走向的长河。

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portant; overflow-wrap: break-word !important; word-break: break-all !important;">京杭大运河对中国南北地区之间的经济、文化发展与交流，特别是对沿线地区工农业经济的发展起了巨大作用。