Alien culture? Ancient Site of Sanxingdui, China

Sanxingdui Ancient Site is located on the south bank of the Duck River in the northwest of Guanghan City, Sichuan Province, China. It covers an area of 12 square kilometers and has a history of 5,000 to 3,000 years. So far, it is the site of ancient city, ancient country and ancient Shu culture with the largest scope, longest duration and richest cultural connotation discovered in southwest China. The existing preservation of the most complete east, west, south wall and the inner wall of the Moon Bay. The Sanxingdui Site is regarded as one of the greatest archaeological discoveries of the 20th century. It shows that the Yangtze River Basin, like the Yellow River Basin, is the mother of Chinese civilization, and is honored as the "source of Yangtze River civilization". Among them, the unearthed cultural relics are valuable cultural heritages of human beings. Among the cultural relics groups in China, they are one of the cultural relics gr