00:00What weighs as much as two aircraft carriers and spins like a watch hand?
00:04Two colossal bridge girders in China, each weighing over 40,000 tons.
00:09On Thursday morning in Lushan City, these girders were rotated in perfect synchronization
00:14to complete the world's largest asymmetrical curved cable-stayed bridge.
00:19The whole thing took just 79 minutes.
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