Tarn (river) a mean flow of approximately . The Millau Viaduct spans the valley of the Tarn near Millau, and is now one of the area's most popular attractions. The tributaries of the Tarn include: The Tarn separates the Narbonne and Aquitaine basins. The Tarn passes through the following departments and towns: The Millau Viaduct, the tallest bridge in the world, carrying the A75 autoroute across the Tarn Gorge near Millau, opened in December 2004. The Tarn is famous for its brutal floodings, which are the most dangerous in Europe along with the Danube. The flooding of March 1930 saw the Tarn
Chishi Bridge for locals. Chishi Bridge The Chishi Bridge is a bridge carrying the G76 Xiamen–Chengdu Expressway over a deep valley. At the longest span is longer than France's Millau Viaduct, which has a similar structure, but is longer and higher than the Chishi Bridge. On June 10, 2017, the "New York Times" offered the Chishi Bridge as an example of one of China's many troubled bridge projects. They reported that the bridge's construction was significantly delayed, and went fifty percent over budget. In addition, they reported that, once complete, the bridge was under-used, because the toll, equivalent to $3 USD, was