Viewfinder competition: win a £150 hotel voucher

Today this modern port city – the country’s largest and its economic powerhouse … Photograph: Gavin Hellier/Alamy

… bears no resemblance to the romantic, cinematic image the world has of it. Photograph: Julian Love/Getty Images/AWL Images RM

In the 80s the country’s ruler started work on a monumental eponymous project that, he said, would give the city a building that would do its name proud. Name the city.
Photograph: Gavin Hellier/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 26 April 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 Truro, Cornwall. The winner was Sue Harrison from Great Yarmouth, Norfolk Photograph: Peter Eastland/Alamy