Photo shows a part of the Hailongtun Tusi site in Zunyi, Southwest China's Guizhou province, June 30, 2015. [Photo by Luo Xinghan/asianewsphoto]

Hailongtun Site in Guizhou province

The ruins of Hailongtun castle in Zunyi, Southwest China's Guizhou province, are located at the top of a mountain. The fortress was built in 1257 and burned down in a battle in 1600. The site covers 1.59 square kilometers, and more than 2,000 cultural relics were unearthed in 2012, including porcelain, jade and ink slabs.