请将下面这段话翻译成英文：

京杭大运河

京杭大运河，是春秋时期吴国开凿的，在隋朝扩修并贯通至北京，到现今已有超过2500年的历史。它南起于杭州，北到北京，途经今浙江、江苏、山东、河北四省及天津、北京两市，贯通海河、黄河、淮河、长江、钱塘江五大水系，全长约1797千米。

参考译文

The Beijing- Hangzhou Grand Canal

The Beijing- Hangzhou Grand Canal is over 2500 years old. It was dug by the kingdom of Wu in the Spring and Autumn Periods, and was later expanded to Beijing during the Sui Dynasty. It extends from Hangzhou in the south to Beijing in the north, and passes through Zhejiang, Jiangsu, Shandong, and Tianjin. Additionally, it crosses the Haihe, Yellow, Huaihe, Yangtze, and Qiantang Rivers. Its total length is 1,797 kilometers.

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