Desert landscape with a few plants and mountains in the background

Park with trees and bushes in the middle of it

Topographic map of the city of San Francisco

Painting of a group of people and animals in a field

Pair of neritidae shells on a black background

Black and white painting of a group of people

Small bird with a tag attached to it

Black and white photo of a man with a beard

Black and white photo of two men hanging from a high wire against a…