The Mystery of the Jade Discs | National Geographic

Jade bi (discs), from China, that resemble modern-day CD’s or donuts, and date to the late Neolithic Period, Liangzhu culture (ca. 3300-2250 BC) remain a mystery. Researchers at the Smithsonian’s Freer and Sackler galleries in Washington, D.C., are among those who have studied the bi. ➡ Subscribe: About National Geographic: National Geographic is the world’s premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what’s possible. Get More National Geographic: Official Site: Facebook: Twitter: Instagram: Read the article from National Geographic News: The Mystery of the Jade Discs | National Geographic National Geographic