Hell is other people when you travel. We don’t like other tourists clogging our favourite places, and increasingly nor do the locals. Barcelona, Mallorca, Venice and elsewhere have all been in the news for protesting visitor numbers or attempting to limit them.

But if the pushback is relatively recent, the problems are longstanding. Rome is the latest city to address overcrowding, with entrance fees in place for the Pantheon and proposals to charge for the Trevi Fountain.