This is what a £21,000 gong sounds like This is a pretty intense sound. Facebook Prev Article Next Article Videos Checkout these cool gadgets... Related Posts 3 of the strangest projects DARPA has worked on Dude Builds His Own Submarine From a Kayak 50 Marbles in a Blender It’s a Bird, It’s a Plane…It’s a Helium Filled Car Street Fighter on Stage Redneck Rollercoaster – INS-ANE