A concrete wall features a series of small rectangular panels with the letters "PG&E" and "PG&E" in the top left, "PG&E" and "PG&E" in the top right, and "PG&E" and "PG&E" in the bottom left. A small white sign with a red arrow is positioned in the bottom right, and a small black sign with a red arrow is located in the bottom left corner.