Actors Tony Leung Chiu Wai (left) and Zhang Ziyi pose during a photocall to promote their movie 'Yi Dai Zong Shi' (The Grandmaster) at the 63rd Berlinale International Film Festival. The 2013 Berlin film festival kicks off on Thursday with "The Grandmaster", a martial arts epic from Hong Kong director Wong Kar Wai who is also presiding over this year's jury.-Reuters/Fabrizio Bensch