The image shows a close-up of a vertical metal wall with vertical lines. The wall appears to be made of corrugated metal and is painted in a light grey color. The horizontal lines are evenly spaced and run horizontally across the wall. On the left side of the image, there is a sidewalk with a few people walking on it. In the background, there are trees and a blue sky. The image is taken from a low angle, looking up at the wall and the sidewalk.