Yesterday China opened the world’s longest bridge across the sea, connecting Hong Kong with Macau on the mainland. It is 55km (34 miles) long. It required the construction of two artificial islands so that the bridge can go underwater at places to allow for shipping traffic. It is not the longest bridge overall, just the sixth longest but the five longer ones are also in China. The bridge does not allow private vehicles to use it, just buses, trucks, government vehicles, and other vehicles with special permits, so traffic should be light.
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