Haunted Footage on Instagram: "Footage from Gusen Concentration Camp in 1945 captures a haunting glimpse into one of the darkest chapters of history. Gusen, a subcamp of Mauthausen, was operated by the SS between the villages of Sankt Georgen an der Gusen and Langestein in what is now Upper Austria. Primarily filled with Polish prisoners, the camp also held large numbers of Spanish Republicans, Soviet citizens, and Italians. Prisoners were forced to toil in nearby quarries, extracting granite so