CultureThe trampoline cave in WalesTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCulture07/25/2017July 25, 2017Snowdonia National Park in Wales offers many attractions. One is a giant subterranean trampoline. Visitors to the idle shale mine can 'Bounce Below' - as it's called.https://p.dw.com/p/2h4RaAdvertisement