So you want to build a Mars base. Where to start? Like any human settlement, it would be best located near accessible water. Not only will water be crucial for life-support supplies, it will be used for everything from agriculture to producing the rocket propellant astronauts will need to return to Earth.
![](https://scx1.b-cdn.net/csz/news/tmb/2021/whereshouldf.jpg)
Source:
https://phys.org/news/2021-02-future-astronauts-mars.html