What's the world's loneliest city?

In Tokyo, you can rent a cuddle. Loneliness is a health issue in Manchester. And perhaps nobody is as isolated as a migrant worker in Shenzhen. But can we really know what makes a city lonely?“New York has a trip-hammer vitality which drives you insane with restlessness, if you have no inner stabiliser,” wrote Henry Miller after moving back to the city following almost a decade in Paris. It could be expected that the Brooklyn-born novelist would have been happy to return, yet somethi