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London Just Reopened the Entrance to This Underwater Tunnel for the First Time in 147 Years

The first underwater tunnel ever built opened in London in 1843, paving a path for cities everywhere to expand beneath rivers and oceans. Today, the tunnel’s grand entrance hall reopens to the public for the first time in 147 years. The underground event space is part of an engineering museum that celebrates the…

This Tunnel Put Together Like Lego Bricks Impossibly Sticks Together with No Support

Yeah, I’m not ashamed to admit this: I feel slightly less comfortable when I’m under a tunnel than when I’m not. It’s not that I think that the tunnel will collapse on me but it’s because I know the sky absolutely won’t. This tunnel would put my fear into overdrive because this one looks like it would totally collapse…

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