This is Valles Marieris, and it is one of the Solar System’s largest cayos. It’s deeper than the Grand Cayo, and its length encircles the United States from coast to coast.
Credit: NASA
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This is Valles Marieris, and it is one of the Solar System’s largest cayos. It’s deeper than the Grand Cayo, and its length encircles the United States from coast to coast.
Credit: NASA