section of the medieval city walls of Avignon, France, with a prominent tower on the left

section of the medieval city walls of Avignon, France, with a prominent tower on the left. The walls are constructed of large, light-colored stone blocks, weathered and showing signs of age. The top of the wall features crenellations, characteristic of fortifications. Below the crenellations, there is a decorative frieze with a series of arched openings. The tower is taller and more substantial than the wall, also made of stone blocks and topped with crenellations. A few small trees and a larger, dense green tree are visible behind the wall on the right side of the image. In the foreground, there is a strip of lush green grass and a paved area, likely a sidewalk, with a dark curb and asphalt road in the very bottom. The sky is a clear, bright blue, suggesting a sunny day. There are no people visible in the image.