Black and white photo of a man with a beard wearing a cap

Group of men standing next to each other in front of a building

Old photo of a large building in the middle of a park

Old black and white photo of a room with a glass box containing…

Old black and white photo of a man and woman standing next to each…

Line graph depicting the life expectancy at birth in Bulgaria

Group of four women standing next to each other in dresses

Black and white drawing of a man riding a horse in a wooded area

Chinese fan with a painting of people and trees on it