https://www.cityam.com/piccadilly-lights-history/
Goodbye Piccadilly: A short history of the Piccadilly Circus advertising billboards
Jan 16, 2017 - On only a handful of occasions in its 100-year history has the hotchpotch of billboards at Piccadilly Circus been intentionally switched off during...
history of the circusa shortgoodbyepiccadillyadvertising