ancient chinese civilization | scienceinfo.net

Where might the Mayan civilization have originated?
The origin of the Mayan civilization remains a mystery that archaeologists and historians are trying to decipher.
Discovered a 4,300-year-old jade disc in China
The jade disc more than 25cm in diameter with a life of more than 4,300 years is the largest antiquity ever discovered in Huzhou City, Zhejiang Province, China.