My LEGO Mars colony #2

When I finished my 1st LEGO Mars base back in April, 2014 (inspired from GRusso's idea for a LEGO Mars base) my boys were telling it's too small :) So now I pulled oneself together to build a bigger one - one which you could call even a small "colony" not only a "base". Part of the colony (the living quarters and some of the maintenance facilities) is hidden underground a mountain for better protection from radioactivity. Click to view in full resolution: