The flag of Mars?

Jeszcze daleko do kolonizacji Marsa, ale BBC już zastanawia się jak powinna wyglądać przyszła flaga czerwonej planety.
If humans are to colonise Mars, we’d surely need a flag to represent our presence on the planet. But what would it look like? We decided to come up with a Martian-worthy design.
 If space really is the final frontier, then it’s likely that some day humans will differentiate their extra-terrestrial colonies with flags – just like we do with countries on Earth today.
What kind of flag might represent Martians of the future? One of the more widely-known unofficial flags was proposed the 1990s, based on the idea of terraforming – the colours are intended to represent the planet’s future path to habitability; from red and barren on the left, to blue and wet on the right.
Read more: http://www.bbc.com/future/story/20151214-what-would-the-flag-of-mars-look-like