Wutai, Shanxi · Tang dynasty, 857 CE. A seven-bay great hall with a hip roof and column-head dougong, raised here member by member in the traditional frame order.
Play raises the hall in the traditional order; Assemble toggles direction and Step advances one stage. Drag to orbit, scroll to zoom, hover any timber for its name. X-ray hides the roof and walls and marks the mortise-and-tenon joints.