I was struck by the map showing the emptying out of the minor towns and cities. While it's something I've been aware of for years, that visualisation is partic

I was struck by the map showing the emptying out of the minor towns and cities. While it's something I've been aware of for years, that visualisation is particularly stunning (and, tangentally, with such concentrations things like high-speed rail and China's delivery/Taobao culture look very efficient).