Zombies will take over the streets of this town this month …Photograph: AP… but it’s carnival that really brings the place alive each year, including a notorious night of debauchery. Photograph: AlamyGet into the party spirit, then walk off your hangover in the town’s narrow, shaded streets. Generations of artists have found inspiration here. Name the town. Photograph: AlamyThis week’s winner will receive a £150 voucher from Hotels.com which can be used at more than 120,000 places to stay across the world, from quirky B&Bs and family boltholes to boutique hotels. Hotels.com customers can get a night free for every 10 stayed with its rewards scheme. Email your answer by Thursday, 13 October to viewfinder@observer.co.uk or send a postcard, with address and phone number, to Viewfinder, The Observer, Kings Place, 90 York Way, London N1 9GU.
■ Last week’s answer was Des Moines, Iowa, US. The winner was Gary Panniers, from HorshamPhotograph: Alamy