[BaptisteGreve]

"It is shown, that of all bodies in the solar system other than Earth, Mars is unique in that it has the resources required to support a population of sufficient size to create locally a new branch of human civilization."

[gambiting]

Except that despite beautiful renderings of cities on the surface of Mars, the radiation would force everyone to live underground. And if we are going to build huge cities under the surface of Mars, we might as well try it here. But no one is doing it,because there is no point.