Viewfinder competition: win a £150 hotel voucher

Valentine’s Day has not always been celebrated in the most loving spirit in this tempestuous city. Photograph: Ronald Grant Archive

Its name derives from a pungent bulb and in the 19th century it became an industrial and transport hub. Photograph: Corbis

Its three most famous residents (though none were born here) have been a criminal, a politician and a sportsman. Photograph: Alamy

Name the city. 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 bolt holes to boutique hotels. Hotels.com customers can get a night free for every 10 stayed with its rewards scheme. Email your answer by Thursday 17 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 Adelaide, Australia. The winner was Colin Hall, from Basingstoke, Hampshire.
Photograph: Corbis