Black and white drawing of a woman with a warm smile on her face

Group of people skating on an ice rink under a tent

Close up of a rock with a lot of small white lecanora flowers on it

Jumping spider on a wooden surface

Ruler next to a coin with a picture of a man on it

Man wearing a hat and holding a stick

Black and white photo of a city with a few buildings

Open book with a diagram on it

Two men wearing glasses working on a machine in a room with a wall and…