Members of military historical clubs, perform a mock battle between the Soviet and Nazi troops during the ceremony at the Brest fortress, on the 70th anniversary the Nazi invasion of the Soviet Union of 1941, in the town of Brest, Belarus, June 22, 2011.

Members of military historical clubs, dressed WWII style, perform a mock battle between the Soviet and Nazi troops during the ceremony at the Brest fortress, marking the 70th anniversary of the beginning of the Great Patriotic War, in the town of Brest, Belarus, June 22, 2011. Soldiers of Brest fortress, surrounded by German troops in first days of the war and fought them for weeks, becoming a legendary symbol of Soviet soldiers' heroism.