close-up of a gray metal door with a warning sign

close-up of a gray metal door with a warning sign. The sign is a white triangle with a black lightning bolt and a stick figure lying down. The words "DANGER OF DEATH" are written underneath the triangle. The door is located in Stoke-on-Trent, United Kingdom at 53.012 latitude and -2.158 longitude. The metal door has a vertical seam running down the center and two vertical seams on the right side. On the left side of the door, there is a black metal handle with a silver metal plate with two screws.