Large brick building with a green lawn in front of it

Train pulling into a train station next to a platform

Book with a drawing of various types of sea urchins on it

Drawing of a wooden structure on a piece of paper

Baseball player standing on top of a field

Man standing in front of a machine in a factory

Close up of a plant cell under a microscope

Highway filled with lots of traffic on top of a lush green hillside

Close up of the surface of the moon with a dark background