Looking diagonally across the Piece towards the University Arms and St Andrew's Street towards the end of a brief sunny spell on an October morning. TL4558 : Parker's Piece and a big wheel is a comparable picture, taken on a cloudier day in May 2021.
Reality Checkpoint - so called because it supposedly marks the spot, halfway across Parker's Piece, where the bubble of Cambridge University ends and the "real world" of Cambridge city begins. I believe there used to be a plaque inscribed "reality checkpoint" on the lamp-post, but that is long gone and the words are now rather crudely scratched into the paintwork.