caption: The image shows an old stone building with a wooden fence in front of it, surrounded by grass and trees. On the right side of the image there is a wooden object, and on the left side there is an arch with some text on it. In the background there are clouds in the sky, and in the foreground there are wooden objects, a wheel, and other objects. This image is of the ruins of a medieval castle, known as the Castel Sant'Angelo.