Public domain photos

The image shows a large stone building with a blue trolley parked in front of it, surrounded by trees and plants. The building has windows and pipes, and the sky in the background is filled with clouds. This building is located at the University of Pennsylvania's Mount Vernon.

The image shows a large stone building with a blue trolley parked in front of it, surrounded by trees and plants. The building has windows and pipes, and the sky in the background is filled with clouds. This building is located at the University of Pennsylvania's Mount Vernon.Open in library