Slumming it: how tourism is putting the world’s poorest places on the map

Back in Victorian times, wealthier citizens could sometimes be found wandering among London’s poorer, informal neighbourhoods, distributing charity to the needy. “Slumming” – as it was called – was later dismissed as a morally dubious and voyeuristic pastime. Today, it’s making a comeback; wealthy Westerners are once more making forays into slums – and this time, they’re venturing right across the developing world.