One of the above images is the odd one out. Tell us which one and why. The winning entry will win a bottle of champagne. In the event of there being no correct answers, the prize will go the most creative answer or the most entertaining postcard. Answers by first thing Monday morning please, to AJ Astragal, 151 Rosebery Avenue, London EC1R 4GB, or faxed on 0171 505 6701.
Graeme Andrew of Page & Park Architects, Glasgow, has won champagne for correctly identifying Santa Maria della Salute in Venice, Santa Maria del Fiore and Santa Claus in the last issue of 1999.