Black and white photo of a room with a checkered floor

Chinese painting of a mountain landscape with trees in the foreground

Black and white photo of people walking down a street with umbrellas

Black and white drawing of a man with a beard wearing a crown

Portrait of Leonardo da Vinci

Black and white photo of a woman wearing a dress

Painting of a man with a long white beard wearing a yellow coat

Painting of a house with a tree in the foreground

Old map of the city of Cologne