"Child's Pose", a Romanian movie about a domineering mother using her social position to try to save her son from jail, won the Golden Bear for best picture at the Berlin film festival on Saturday. Best director went to U.S. filmmaker David Gordon Green for comic road movie "Prince Avalanche", Chile's Paulina Garcia was the popular winner of the best actress prize for "Gloria" and best actor went to the untrained Nazif Mujic who played himself in Bosnian drama "An Episode in the Life of an Iron Picker".