geological map , moon. 地質圖 ， 月亮。

It's not just a blue moon... Geological maps turn the planets in our solar system into madcap modern art masterpieces | Mail Online http://www.dailymail.co.uk/sciencetech/article-2130497/Its-just-blue-moon--Geological-maps-turn-planets-solar-madcap-modern-art-masterpieces.html