Q: What is the longest man-made canal in the world?
A: Beijing-Hangzhou Grand Canal, China
The canal goes from Beijing through 5 provinces and connects the Yangtze and Yellow Rivers. It is roughly 1,104 miles or 1,776 kilometers long and 138 feet or roughly 42 meters at its tallest point in the Shandong Mountains. Some of the oldest parts of the canal’s history date back to 5th century BCE.
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