Hailongtun, one of the best-preserved ancient military castles in Asia

On July 19, the Hailongtun International Image Culture Week opened. Hailongtun, located in Huichuan district, Zunyi city, Guizhou province, was established in 1257. It is one of the best-preserved ancient military castles in Asia. In 2015, it was inscribed on the World Cultural Heritage List and recognized as one of the "world's top 10 archaeological discoveries".