NOVA· Season 27 · Episode 18Secrets of Lost Empires: China BridgeS27E18·February 29, 2000·1h·PBSTwo teams working from opposite sides of a turbulent river attempt to build a 12th-century Chinese bridge.Streaming on (US) See allSharePreviousLost Tribes of IsraelS27E17NextWhat's Up with the Weather?S27E19Keep going
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