
Llechwedd Slate Caverns, Blaeau Ffestiniog, launch of the World’s biggest underground trampoline, set to make Wales the most fun place on Earth.
A hughe slate cavern in Llechwedd Slate Caverns has been installed with the three huge trampolines. linked together by a 60 ft slides to create the ultimate adventure playground
Daily Post Reporter Laura Swre enjoys herself on the new trampoline