Mars could see cities fit inside its enormous lava tubes for future human bases, according to new research. The Red Planet is the second-smallest in the Solar System and has a thin atmosphere.However, it is pocketed with absolutely massive lava tubes.The planet features ceilings as high as the Empire State Building, the new research shows, according to Live Science.It also shows that the Moon hosts even more gargantuan tubes, with heights that dwarf Dubai's Burj Khalifa, the world's tallest building, and "skylights" as big as football fields.The subterranean caverns are protected from punishing solar radiation due to being shielded.It also features lava tubes, which are a tunnel under a world's surface, formed by an intense flow of molten.
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