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Lingqu

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The Lingqu is a very special canal in China. It sits in Xing'an County near Guilin. This canal is a man-made path for water. It connects the Xiang River to the Li River. The Xiang River flows north into the Yangtze. The Li River flows south into the Gui River. This path links the Yangtze to the Pearl River Delta. It was the first canal to join two river valleys.

This canal works in a clever way. It is a contour canal. This means it gets its water from the Xiang River. The canal can move a lot of water. It can divert up to one third of the Xiang flow. This water goes into the Li River. This helps with water conservation. The canal also helps boats move through different levels.

History tells us who built this path. In 214 BC, Qin Shi Huang ordered it. He was the First Emperor of the Qin dynasty. This dynasty lasted from 221 to 206 BC. He wanted to attack the Baiyue tribes in the south. A man named Shi Lu designed the canal. He was the architect for this huge project.

Many parts were added to the canal over time. By 825 AD, it had thirty-seven flash locks. Flash locks are tools to control water. Later, people used pound locks. We see descriptions of these in the twelfth century. These locks were likely installed even earlier. The canal is still in very good shape today. It is on the UNESCO World Heritage Sites tentative list.

Think about how much work this canal did. It let boats travel overland between two big areas. Boats could go from Northern China to the Pearl River Delta. This made travel and trade much easier. It is one of the best-preserved canals in the world. You can still see how people solved big problems. It is a true wonder of the ancient world.

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