If you just don't build an airport in your home city until after you have built one on the moon, you can relive the old days.
The fact the building material costs depends on the building blueprint, means that you can just build a tiny tiny airport. So no matter how you look at it, the old way of doing moon colonies is gone.
The fact the building material costs depends on the building blueprint, means that you can just build a tiny tiny airport. So no matter how you look at it, the old way of doing moon colonies is gone.