The world's longest sea bridge was officially inaugurated on Tuesday in China. Special cameras will monitor bus drivers and alert authorities if they yawn too many times. Their blood pressure will also be monitored. It is the longest ocean bridge and tunnel system in the world. Chinese state media said 420,000 tonnes of steel were used in its construction.Tuesday, 23 October 2018
The world's longest sea bridge was officially inaugurated on Tuesday in China. Special cameras will monitor bus drivers and alert authorities if they yawn too many times. Their blood pressure will also be monitored. It is the longest ocean bridge and tunnel system in the world. Chinese state media said 420,000 tonnes of steel were used in its construction.
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