You sail to this former capital along a fragrant river, past a celestial lady’s pagoda and a temple to everlasting life. Photograph: Getty ImagesLunch may be a fantastical creation, as served to royalty in its Forbidden City. Photograph: PRBut it has a darker side: memories of massacre and a monk who burned himself to death. The weather could be drier, too. Name the city. Photograph: PRThis week’s winner will receive a £200 voucher from Hotels.com which can be used at more than 160,000 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 29 November 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 Smethwick, West Midlands. The winner was Glenda Clarke, from Brighton.Photograph: PR