We have a lot of disused churches, some quite nice, and as the popularity of churchgoing continues to fade we’ll have more. Let’s turn some of them into free hostels for travellers. Yes, free. They would be kept clean and offer a bed, breakfast, wi-fi and a little secure storage for three days to anyone with a foreign passport. Nothing too fancy. But it would be a draw, and people who aren’t paying for hotels would spend money on other things.—Some tourism ideas