Title: Bez sleda?
Subjects: Politics and government, Belene (Concentration camp), Exhibitions, Prisons, Political prisoners, Nat︠s︡ionalna khudozhestvena galerii︠a︡ (Bulgaria), History, Nat͡sionalna khudozhestvena galerii͡a (Bulgaria)
Places: Belene, Bulgaria
Time periods: 1878-1944