A city organized around a ring shaped moving sidewalk that carries folks at 161 km/hr with an outer diameter of 30 km and an inner diameter of 20 km. The city contains over 5.76 residences in 28,800 towers that house up to 1,000 persons per tower, each on a 5.56 hectare plot.
![Cities [2]](https://img.pdfslide.us/doc/110x75/589c2b921a28ab65248b6099/cities-2.jpg)
