Notes:
If you do not realize how much work there is on a color page like this, please take a moment to ponder this.

I'll try to make a few more, as I have much of the backgrounds and suchlike prepared already...

The warehouse is situated on the top of a large hill in about the middle of the city.

The sky in the first frame looks strange, because the artificial atmosphere over Mars does not reflect the sunlight the same way as the Earth's atmosphere. It's constructed to keep the oxygen levels intact at ground level, but it's very thin higher up, thus you can see the stars even at day.