This new thrill ride from Go Below Underground Adventures sits in an abandoned slate mine 375 meters beneath the mountains of Wales' Snowdonia National Park. It became the deepest zip line in the ...
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The haunting Welsh valley hiding abandoned slate mines, huge tunnels and a village lost to time
I scramble up a steep, slate-covered slope, traversing wet rock and regretting most of my life decisions. A shadowy tunnel looms ahead, straight out of a horror film I have no interest in starring in.
Collyweston slate can be found on grand, famous buildings – including Cambridge University's King's, Clare and Christ's colleges. The mining of this slate has an incredibly long history. According to ...
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