Richard Feels The POWER Of This Huge Valve Pouring Out 20K Litres Per Second | Richard Hammond s Big

Richard goes to the Verbund Hydro Power, in Austria, to see one of the biggest walls in the world, and to learn how the company turns huge amounts of water into electricity. Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: http://www.twitter.com/DiscoveryUK