#31 Spiders on mounds
![](https://www.brighthumanity.me/pics/6_1473235410133841408154289764747c1cf3969940bbc52cdc2e6ba270eca.jpg)
NASA
#32 Those are not shadows. When buried dry ice turns to gas in warmer weather, it pushes up darker minerals to surface. Scientists call this location Inca city
![](https://www.brighthumanity.me/pics/6_46113826572868075521542897647ff3e88ddd22931ed31bbb18bdf60ea44.jpg)
NASA
#33 Wind shaped dunes on Mars crawl across cracked soil in Nili Patera. The green bar is leftover from processing the image
![](https://www.brighthumanity.me/pics/6_45535216650202950415428976478b42aedd2e2d5ae1f08d0668cf79e0e4.jpg)
NASA
#34 The same sand dunes in full color a couple of months later
![](https://www.brighthumanity.me/pics/6_2732943706135635456154289764753fb816d4df6251c6e00136a032b9559.jpg)
NASA
#35 The creation of fans around dunes may help scientists understand seasonal changes on Mars
![](https://www.brighthumanity.me/pics/6_515110969518181273615428976470fae6940097f4ea609e2db68fe21caa0.jpg)
NASA
#36 Steep slopes
![](https://www.brighthumanity.me/pics/6_16152536969647929615428976479caf113ca0cb5169f6d024ac0c69f76d.jpg)
NASA
#37 Crater near a region called Aonia Terra. Don’t you think it kinda looks like part of the Death Star?
![](https://www.brighthumanity.me/pics/6_76565893128954890241542897647a36650415a6bdeb4b44875514b51d487.jpg)
NASA
#38 Dune field speckled with oval shaped mineral deposits
![](https://www.brighthumanity.me/pics/6_59673427898188861441542897647a4ed1ff1b6a96085db4af32877d9f48a.jpg)
NASA
#39 Ithaca
![](https://www.brighthumanity.me/pics/6_72946559961311498241542897647518415ec19d0c532086bc869a965e83c.jpg)
NASA
#40 Well preserved impact crater
![](https://www.brighthumanity.me/pics/6_8109982459772312321542897647a67348afbec1287297492d7794e197b8.jpg)
NASA