Viewfinder competition: win a £200 hotel voucher

South of a border, this “children of the sun” city was rich in natural resources … Photograph: PR

It struck it lucky in the 19th century and maybe its flowery nickname reflects this purple patch.
Photograph: PR

Author Richard Ford set bittersweet love here and a famous crooner got a theatre named after them. It has four city “twins”, one of which is a name for a rhyme. Name the city.
Photograph: PR

This week’s winner will receive a £200 voucher from Hotels.com, which can be used at more than 200,000 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 Welcome Rewards scheme.

Email your answer by Thursday 5 September 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 Battambang, Cambodia. The winner was Carol Huddart of Washington, Tyne and Wear.
Photograph: PR