The Battle of Jutland was one of the most violent sea battles in history, fought in 1916 between the two mighty battle fleets of Britain and Germany. After a day of carnage, both sides claimed victory. So who really won? Under the seas off Northern Europe, a lost graveyard of mega warships may answer this century-old question. As the waters begin to drain away, will the answer be found? Drain the Oceans on National Geographic. Available to watch in the UK on Sky, Virgin Media, TalkTalk and BT. Visit nationalgeographic.co.uk for exclusive videos and TV listings. SUBSCRIBE: https://goo.gl/j7D4nd Facebook: https://www.facebook.com/NatGeoUK Twitter: https://twitter.com/NatGeoUK Instagram: https://www.instagram.com/NatGeoUK Drain the Ocean on National Geographic. Available to watch in the UK on Sky, Virgin Media, TalkTalk, BT, and TV Player. Visit nationalgeographic.co.uk for exclusive videos and TV listings. SUBSCRIBE: https://goo.gl/j7D4nd Facebook: https://www.facebook.com/NatGeoUK Twitter: https://twitter.com/NatGeoUK Instagram: https://www.instagram.com/NatGeoUK