Should cities be worried about 'overtourism'? We hear from disgruntled locals in Rome, Edinburgh and Amsterdam. The BBC's Douglas Fraser reports on the dilemmas facing Scottish tourism in the face of rising numbers and Amsterdam novelist Joost de Vries describes the impact of tourists on his home city. Can anything be done? Yes, says Xavier Font, professor of sustainability marketing at the University of Surrey.

(Photo: A group of tourists in Barcelona, Credit: Getty Images)