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 ...

Six of eight Columbia and Snake river dam locks were back in service Monday after an extended maintenance outage that started Dec. 12. The restart of operations at Ice Harbor lock has been delayed ...

Locks at eight dams on the Columbia and Snake rivers closed Dec. 12 for an extended maintenance outage. The final lock — at Little Goose Dam near Starbuck — returned to service at 10 p.m ...

Lock gates on three different dams, including The Dalles Dam and John Day Dam, are being replaced during a 14-week shutdown that is the longest in the history of the Columbia and Snake river system.

The U.S. Army Corps of Engineers says maintenance and repair work will cause closures at all navigation locks at federal dams on the Columbia and Snake rivers in the coming weeks.

The Luban lock, also known as Kongming lock, is a traditional Chinese folk educational toy with nine wooden slips. The concave and convex parts inside the three-dimensional toy mesh perfectly.

A Luban lock is a traditional Chinese folk toy that was invented by Lu Ban, known as "father of carpentry" in China. "Playing with the Luban lock is very exciting.

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 ...