Trampolines, zip lines and slides in an abandoned slate mine
A subterranean playground in North Wales features trampolines, walkways, slides and “Zip World Caverns,” the world’s largest fully underground zip line course.
Matt Bracken 0 Comment The Baltimore Sun, World caverns, Wales
A subterranean playground in North Wales features trampolines, walkways, slides and “Zip World Caverns,” the world’s largest fully underground zip line course.