Excavator digging through the rubble of a building that has been…

Old map of the city of San Francisco

Black and white photo of a herd of camels walking down a dirt road…

Open book with Chinese writing on it

Two men sitting at a desk in an office

Painting of a man in a kimono with a sword in his hand

Group of men in red uniforms marching down a street

Group of people standing next to each other in a field

Gravestone in a cemetery with a tree in the background