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June 30, 2014 AT 6:00 am

Massive Underground Trampolines Are Suspended Within a Welsh Mining Cavern

Welsh mining cavern hides the world largest underground trampoline designboom 02

These beautiful trampolines are located in a converted mining cavern in Wales, via designboom.

visitors to the bounce below arena in blaenau ffestiniog, wales will have the opportunity to bounce and slide underground in an old mining cavern, twice the size of london’s st. paul’s cathedral. set to open on july 4th, 2014 the three giant trampolines are suspended deep within the cavernous, subterranean space, interconnected by spiraling stairways and a 60 foot slide. woven together by a collection of nets, the trampolines are illuminated by colorful a light show, transforming the space into a kaleidoscopic and immersive expanse.

Welsh mining cavern hides the world largest underground trampoline designboom 03

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