Italy's veteran directors Paolo and Vittorio Taviani won the Golden Bear at the Berlin film festival Saturday for "Caesar Must Die", a docu-drama about inmates at a high-security prison staging Shakespeare. Best acting awards went to Denmark's Mikkel Boe Folsgaard for his role in "A Royal affair" and to Rachel Mwanza from Democratic Republic of Congo, for her role in Kim Nguyen's film "Rebelle". Duration: 01:32