Introduction of the ancient city of li gan

The ancient city of li gan, also known as "Plough Ancient City", is located in Yongchang County, jinchang, Gansu Province, China (now Zhelaizhai, Jiaojiazhuang Township), with an altitude of about 2,4 meters. It was built in the Western Han Dynasty (36 BC), and is an important city and military fortress on the ancient Silk Road, as well as an important typical city of ethnic integration in China history. The ancient city is built with Etruscan architecture technology. The ancient city of li gan is known to the world for its placement of scattered Roman soldiers in the Western Han Dynasty. In 215, the ancient city of li gan was approved as a national 4A-level tourist attraction.