Viewfinder competition: win a £150 hotel voucher Name the place and win a £150 voucher from Hotels.com, letting you stay at thousands of hotels worldwide Tweet Europe’s great colonial powers have squabbled over this coastal city’s spices for centuries … Photograph: Alamy … but it really made its name in textiles. Photograph: Alamy Its unusual wooden mosques bear witness to the city’s ancient trading links with the Arab world which continue profitably to this day and are now funding a building boom. Name the city. Photograph: Alamy This 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 5 February 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 Paramaribo, Suriname. The winner was Abigail Penney, of Eastleigh, Hants. Photograph: EyesWideOpen/Getty Images