Three other megacities Mumbai, Karachi, Delhi have population densities that are between three to seven times as high as the biggest megacity, Tokyo-Yokohama, which has a density of 11, 000 per square mile.
We looked up at the planes, as they climbed over the beach, glimpsed their swollen bellies pregnant with bombs that, in some hour of the coming day, would be loosed upon Kobe or Yokohama or Tokyo.
The Japanese mobile carrier's own flavor is currently undergoing beta testing in Yokohama, just outside Tokyo, and uses a familiar kiosk system to collect and dish out bikes.