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The longest tunnels on the world
cover tunnel photo by: Matt Brown from London, England / CC BY
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Copyright 2019-2024 TunnelContact.com
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cover tunnel photo by: Matt Brown from London, England / CC BY
Copyright 2019-2024 TunnelContact.com
https://www.ontheroadtrends.com/longest-tunnels-on-the-world/?lang=en
The longest tunnels on the world
www.ontheroadtrends.comThe first milestone in the construction of tunnels was the end of work in 1843 of the first modern tunnel in London, under the River Thames. With its opening, world engineering took a giant step towar