Karez is considered one of the three great projects in China, as Great Wall, Beijing-Hangzhou Great Canal. The underground irrigation system has a history of 2000 years, which is very suits the hot and dry areas like Turpan. The Karez system consists of four parts, vertical shaft, underground channel, open channel and pool. The system cultivates the underground water sourced from the melted snow and ice on the Tianshan mountains. Many Karez dried out recent decades, but about 200 of Karez still running, supplies water to the Turpan oasis.
Destinations:Lanzhou - Xiahe - Zhangye - Jiayuguan - Dunhuang - Turpan - Urumqi - Heavenly Lake - Kashgar - Karakul Lake - Urumqi