Square One today over the noon hour. More cars in the parking lots than I expected but still nowhere near a normal Boxing Day. Good luck shoppers with the Omicron or that nasty cold that masquerades as Omicron but shows neg on the PCR test.
It's definitely concrete. The floorplate fencing is red and that makes it look a little like steel, particularly with the contrast turned way up in the photo in your post. In the photo below it shows the fencing a little better.