What horror did the Soviet troops pushing through Poland toward Berlin find?

As Soviet troops advanced through Poland toward Berlin in 1945, they encountered the horrific aftermath of Nazi atrocities, including the discovery of concentration camps and mass graves filled with the remains of thousands of victims. They witnessed the widespread devastation inflicted on towns and cities, as well as evidence of the brutal repression and violence against civilians. The encounter with these horrors highlighted the extent of the Holocaust and the inhumanity of the Nazi regime, leaving a profound impact on the soldiers and the historical narrative of the war.