stackyFACTSLava flows hate rapidly losing heat, so they actively construct their own subterranean plumbing system.
Lava flows hate rapidly losing heat, so they actively construct their own subterranean plumbing system. As the outer edges of a molten river aggressively cool into solid rock, the superheated liquid completely continues flowing underneath. This physical process leaves behind massive hollow tubes of stone, allowing the volcano to effortlessly transport boiling liquid fire for miles underground without it ever solidifying on the surface.
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