A Collapsed Martian Lava Chamber, Seen From Space : vimarsan

Lava tubes and caves could end up being used as bases during Mars exploration. This one in Hephaestus Fossae could be a good place to start.

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Arizona , United States , China , Rosalind Franklin , Oxia Planum , Arizona State University , Lunar Reconaissance Orbiter , Hephaestus Fossae , Elysium Mons , Reconnaissance Orbiter , Hephaestus Fossae Region , Utopia Planitia , Did Mars , Gale Crater , Jezero Crater ,