🌍 Yunnan, China (Pu-erh = from Xishuangbanna and other Yunnan regions; aged in Hong Kong, Taiwan, mainland; shou vs. sheng)
🕰️ ~3rd century (tea from Yunnan mentioned in Han dynasty texts); modern pu-erh production system from Tang dynasty; aged pu-erh culture from Ming/Qing; shou (rapid fermentation) from 1970s