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 Chinese folk educational puzzle and the ancient wisdom embedded in its structure. "It's easy to take apart but challenging to... read full story
"It's easy to take apart but challenging to reassemble, and that is the major feature of it,"