
The image is inside a museum, and it's of a wall that's got a picture of a tank with a caption that says something along the lines of "We were moving forward and I saw a line of tanks in front of us, and I called the retreat, but it was too loud, and they didn't hear me, and that's when I was handed a sandwich"
And it was described on the wall as "What it's like to drive (specific type of tank)
Here's a thumbnail that I found of it, but I can't find the original image