astronauts planting threes and plants on the moon or mars, futuristic experiment on terraformation, space colonization

advanced architecture astronaut astronauts city colonization colony dimensional dome eco ecology experiment exploration fantasy fiction forest future futuristic generated generative green greenery human humanity lab laboratories landscape manteinable mars martian moon planet plant planting plants science scifi selfsufficient selfsustaining skyline space spaceship susteinable tech technology terraformation three threes