While demonstrating how to disassemble and reassemble a Luban lock, Li Hao, an inheritor of Luban lock-making techniques in Tengzhou, Shandong province, shared the history of this traditional ...

A traditional Chinese puzzle made of beautifully fitted interlocking wooden pieces -- known as a Luban lock -- is easy to take apart but challenging to reassemble. Named for the ancient master ...

Students of a vocational school in Lanzhou, Southwest China’s Gansu province show a globe-shaped Luban lock made by themselves on November 24, 2016. The traditional Chinese puzzle is formed by ...