Top 1 in Top 10 longest canals in the world.
Canal length: 1794 km
Dai Yun Ha is one of the oldest historic canals in the world, also known as the Great Market. Dai Yunxia passes through cities and provinces in mainland China: Beijing, Tianjin, Hebei, Shandong, Jiangsu and Zhejiang. For more than 2,500 years, the canal has played a huge role in the development and economic and cultural exchanges between the northern and southern regions of China, especially the development of the public economy. agriculture along the canal.