The exact age of Hangzhou City is still unknown. People always say Hangzhou City has a long history of about 2000+ years. However, 2200 years ago, east to West Lake, where Hangzhou City is located now, is still under water. So the ancient Hangzhou city should be originated in the hills to the west and south of West Lake.

With the discovery of this crystal cup, which is a precious vessel that symbolizes the owner’s unusually high social status, historians hypothesis that …