caption: The image shows a black and white drawing of a cave with a black background, created by Albert Bierstadt in 1885. The drawing is titled "Mountain Cave" and was created by the artist. It is a detailed sketch of the cave, with intricate details such as the walls, stalactites, and stalagmites, as well as the winding path leading up to the entrance. The cave is surrounded by a rocky landscape, with a few trees and shrubs scattered throughout. The sky is a deep blue, and the sun is setting in the background, casting a warm orange glow over the scene.