In the Century of Cities
Back in the 1970s or 80s, Abu-Dhabi and Dubai were about 100 miles apart, separated by deserts. Today, if you travel between them you will see they are increasingly connected by built up urban corridors, and hence people now call it “Abu-Dubai”. India has a couple of these as well – the Greater Delhi area, and Mumbai-Pune, two very important financial and technological centres connected by an expressway. And there is of course the original megalopolis, the Tokyo-Nagoya- Osaka corridor, which has over 80 million people.