When I first moved to a new host last year, we had to make certain settings (on the server) to allow for 35 mm photos to be able to be displayed. I don't have any and so Lazur provided that for me. I just inserted it now, to make sure we didn't have to re-do those settings, after the recent migration. And also part of investigating ha1flosse's missing images.
He said what the construction in the photo is, but I don't remember now. Maybe he'll remind us? (I guess the boots are just to show scale.) Probably some architechtural experiment?