Changes

Millennia of industry has reduced the surface of Mars to toxic, barren desert.{{Fn|7a}} However, while in the distant past its red hue was almost entirely due to its desert, by the the time of the Imperium[[M41]], the planets planet's red hue comes primarily from the rust from coating the vast metallic structures on its surface.{{Fn|25}} The planet has millions of [[factorum]]s and [[hive]]s, covering the planetary surface like a burning [[spider]]'s web of light.{{Fn|21b}}