German children play on a Panzerkampfwagen Panther Sd.Kfz. 171, Pantherturm III - Betonsockel, following German defeat and the fall of Berlin. The Pantherturm III - Betonsockel was a Panzerkampfwagen Panther tank turret with a concrete base in fixed, fortified positions that were dug into the ground to be used as a desperate defensive weapon in during the Battle of Berlin. Berlin, Germany. June 1945.