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Pre-assembled underground tunnel installed in N China's Xiongan

Updated: Aug 24,2021 10:52    Xinhua

A pre-assembled long-section, large-tonnage comprehensive underground tunnel was completely installed in the Xiongan New Area in North China's Hebei province.

It is the first of its kind in Xiongan.

Xiongan plans to set up an underground tunnel network.

Most of the tunnels will be comprised of pre-assembled sections to reduce installation time.

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