01 Apr 2014, Dublin, Ireland — Dublin, Ireland. 1st April 2014 — Dublin Lord Mayor Oisin Quinn and men dressed as Viking warriors on the River Liffey Boardwalk. Image from the press launch of the Battle of Clontarf festival in Dublin city centre. — A photocall, involving Dublin Lord Mayor Oisin Quinn, takes place at Dublin’s Ha’Penny Bridge to promote the Battle of Clontarf Festival that marks the millennium anniversary of the famous Irish battle in 1014 involving Brian Boru and Vikings. — Image by © Brendan Donnelly/Demotix/Corbis