A map of the so-called “Second Object of the forced labour camp in Belene on the island Persin”, drawn by Krum Horozov, a former detainee in the camp, especially for the collection of his friend and also detainee in the forced labor camp Petko Ogoyski. The drawings of Krum Horozov give an insight of the organization and life in the forced labour camps in Bulgaria between the 1950s and the 1960s. They are used in commemorations, publications, exhibitions as symbols of the repressive character of the socialist regime.