cross-posted from: https://lemmy.world/post/2847816
[Image description: a porous structure in shades of tan and orange submerged in shallow water, with greenish algae on the right side.]
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cross-posted from: https://lemmy.world/post/2847816
[Image description: a porous structure in shades of tan and orange submerged in shallow water, with greenish algae on the right side.]