Hmm, according to wikipedia, the pressure in Hellas can sometimes get up to 12.4 mbar, and it looks like there are some significant glaciers. Interesting. Tu

Hmm, according to wikipedia, the pressure in Hellas can sometimes get up to 12.4 mbar, and it looks like there are some significant glaciers. Interesting. Tunneling into the ice could be a plausible way to build a Mars habitat... https://en.wikipedia.org/wiki/Hellas_Planitia https://en.wikipedia.org/wiki/Hellas_Planitia