Kongzhu, also known as the Chinese yo-yo, works as a diabolo spinning and buzzing like an acrobat on a string. It's an art that dates back more than 1,000 years. It has passed down from the hands ...

Kongzhu, also known as the Chinese yo-yo, works as a diabolo spinning and buzzing like an acrobat on a string. An enthusiast practices kongzhu in Central Park, Wuqing in Tianjin. [Photo by Jiang ...