Viewfinder competition: win a £150 hotel voucher

This ancient city could be an antidote to forced seasonal jollity: follow a drink in Death Square with visits to a plague chapel… Photograph: Alamy

… a gloomy papal palace and the “door of hell” in a nearby park. Photograph: Alamy

In late summer 100 men carry a huge bell tower through darkened streets – after which they’ll be ready for a dip in one of several hot springs. Name the city. Photograph: 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 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 15 December 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 Perpignan, France. The winner was Pam McGovern, from Cheshunt, Hertfordshire of Risby, Bury St Edmunds, Suffolk. Photograph: Alamy