December 1941: Fleeing the German destruction of Užice in Serbia, Tito and the Partisans crossed the River Drina in winter, climbed the mountains of Bosnia on the other side, and walked through the forests. Bosnia Herzegovina is a very mountainous country. In winter it is snow bound. As someone who has driven through Bosnia in the snow, I have difficulty understanding why the Nazis thought that they could successfully invade the country. Even today, the r