Related Clues:

• Largely letters for such as 16 down
• A plastic switch produced in Dublin and London
• E.g. PARIS, ROME
• Stockholm and Santiago feature as such cities
• Upper case letters
• BBC in Belgrade, Berlin, Copenhagen?
• LONDON, PARIS...
• LONDON and PARIS?
• A-list chap spending hours upsetting big characters
• Head south for the big cities
• Head south for the main cities
• Large cities and large letters
• B&B in Brighton Beach?
• A place to sleep, some say, in California's big cities
• London and Paris