The poor condition of 42000 bridges in the United States has attracted attention
A bridge in Baltimore, an important port on the East Coast of the United States, was hit by a container ship in the early hours of the 26th. The US Department of Transportation launched an investigation on the 27th. At the same time, American public opinion has also begun to focus on why the tragedy of this old bridge, which has always shouldered a heavy burden, occurred.
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