Hanging Cities © 2013

Illustration for Kenneth I. Roy, Robert G. Kennedy III, David E. Fields Shell Worlds:  An Approach to Terraforming Moons, Small Planets, and Plutonoids.

Alien Planet is not suitable for life as on earth, so hanging cities are used, that can float with lower gravity. Science fiction,alien planet,rocky landscape,spaceship,space travel,futuristic city,buildings,futuristic travel,mars like planet