This week, UNESCO recommended that Venice should be added to its list of World Heritage in Danger, citing its failure to adequately protect the city from overwhelming tourism and the impact of climate change.
As unprecedented numbers of tourists are visiting Europe, Sarah Dunant reflects on how historic cities can manage the challenges of overtourism.
Producer: Adele Armstrong
Sound: Peter Bosher
Production coordinator: Gemma Ashman
Editor: Bridget Harney
