These include Kings College Chapel, St Johns and Trinity College. Trinity is the subject of the photo, which shows the entrance to the college. Trinity boasts 32 Nobel Prize winners!
See https://www.trin.cam.ac.uk/
Simple QRP projects, 10m, 8m, 6m, 4m, FT8, 160m, WSPR, LF/MF, sub-9kHz, nanowaves and other random stuff, some not related to amateur radio.
These include Kings College Chapel, St Johns and Trinity College.
It was late afternoon before I went on. UPDATE 1845z: Spotted by 27 stations in Europe.