 They kept a large metal table in the house, which was intended to shelter the family from the recurring threat of German air raids.While in England, Marie Jana was one of the children shown in a documentary film designed to promote sympathy for war refugees in London.After the defeat of the Nazis in the European Theatre of World War II and the collapse of Nazi Germany and the Protectorate of Bohemia and Moravia, the Korbel family returned to Prague.