The image shows a close-up of a building's exterior wall. The wall appears to be made of concrete or a similar material, with a grayish-white color. The top left corner of the image is slightly blurred, but it seems to be a part of the wall itself. On the right side of the picture, there is a vertical line of white lines that run diagonally across the wall, creating a grid-like pattern. The lines are evenly spaced and appear to be slightly overlapping each other. The image is taken from a low angle, looking up at the wall.