Bridge of Sighs
Photo credit: Neorelix
...supposedly the sound of despair as students traipse out of exams and over this bridge.
The Bridge of Sighs was supposedly Queen Victoria's favourite place in the city - but only because she hadn't been to the Live and Let Live (which btw is having a 5 yr anniversary do this Saturday) or The Free Press obviously.
Inspired by the 231 years-older one in Venice (Really??) it's found between 3rd and New Courts of St John's College (1511). Wacky students occasionally suspend cars beneath it...