Viewfinder competition: win a £150 hotel voucher - in pictures

Can you keep a secret? Then you’ll feel right at home in this city of spies, double agents and assassins which made it a Nazi place to hang out but inspired writers and film-makers … Photograph: Alamy

… a new generation beat a path here after peace broke out.
Photograph: Corbis

The TGV should be pulling in soon but most visitors arrive here by sea. Name the city.
Photograph: Martin Bureau/AFP

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, 16 June 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 Malta. The winner was Daniella Abraham, from Newcastle upon Tyne
Photograph: Bruno Morandi/Getty Images