Black and white photo of a large building with windows

Black and white drawing of a boat on a river with people in it

Old black and white photo of a man standing in a laboratory

Map of the city of Shanghai with Chinese writing on it

Silver coin with an image of a man on it against a white background

Black and white drawing of a winged dragon holding a shield

Black and white drawing of a man with a beard and a hat

Black and white photo of a man with a mustache wearing a blazer

Black and white drawing of a variety of tools