Jonathan Manning experiences the thrill of riding the fastest zip-wire in the world as he flies over Penrhyn Quarry in Snowdonia on Velocity ... ... <看更多>

Subscribe to never miss a video! || https://gwr.co/YT-SubCheck out the GWR favourites! || http://gwr.co/YT-FavsIf you have a fear of heights ... ... <看更多>

explore #zipwire at Facebook. ... The children have spent their last morning on the zip wire…..even Mr Veness got in on the action, flying through the air! ... <看更多>