van ly truong thanh

China's Great Wall has long been considered the longest artificial structure in the world, but the length of this work has not been explored yet. A 5-year archaeological survey by

A group of American archaeologists has discovered a series of earthen walls hundreds of miles long covered before the famous Great Wall of the year 2,500 years.

The beauty of hybridism in Jiuzhaigou, the colorful rock mountains in Gansu, the terraced fields in Yunnan ... are the places that every player has dreamed of.

The work of workers digging a square near the historic site in Zhangjiakou City, Hebei Province, northern China is also thought to be the cause of the collapse of the ancient city