http://www.euronews.com/ A rare World War II tank has been discovered under mud in the Warta river in eastern Poland. The British-made Valentine is a unique find since there are no other preserved examples anywhere in Europe. The tank which served in the Red Army is thought to have sunk in 1945 while crossing the frozen river.\n\nFind us on: \nYoutube http://bit.ly/zr3upY \nFacebook http://www.facebook.com/euronews.fans\nTwitter http://twitter.com/euronews