@interestingengineering: At 55 kilometers, the Hong Kong–Zhuhai–Macau Bridge is the world’s longest sea crossing. It has an underwater tunnel, two artificial islands, can survive an 8.0 earthquake — and cut travel time from 3 hours to just 30 minutes. Here’s everything you need to know. #HongKongZhuhaiMacauBridge #HKZMB #Engineering #MegaStructure #China

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Sunday 05 July 2026 14:30:00 GMT