China ancient great project.

China Architecture-Great Wall: The Great Wall of Wan Li is an unprecedented grand military defense project in ancient China more than 2,000 years ago, and it is a great miracle rarely seen in the world in the history of human architecture.

For thousands of years, the Great Wall of Wan Li has been the pride of China people and the envy of international friends. The majestic posture and spirit of the Great Wall is a precious cultural heritage that our Chinese nation has dedicated to mankind.

(1) The Yellow River Basin is dominated by irrigation canal system construction. Famous projects include Liu Fu Canal (south bank of Zheng Guoqu in Guanzhong during the reign of Emperor Wu of Han Dynasty), Baiqu Canal (south bank of Zheng Guoqu) and Longshou Canal.

(2) Between Jianghuai and Jianghan, natural ponds are mainly built, and there are six famous projects. In the southeast, fertile land is mainly drained and dammed, and the famous project is Jianhu Lake. ④ The northwest region mainly uses snow water or groundwater to build a special water conservancy project-Karez.