Drawing of a group of people standing in front of a building

Cross section of a plant cell under a microscope

Stone carving on the side of a building depicting three people

Close up of a stone carving on the side of a building

Old Chinese banknote with Chinese writing on it

Painting of a man in a military uniform

Painting of a woman in a red dress sitting on a ledge

Field of bright yellow mustard flowers in front of a building

Black and white photo of a man in a military uniform