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What We Know—and Don’t Know
Part of the allure of this mystery is how little we actually know. Almost no one can describe it with certainty, and most descriptions contradict each other. Some claim it’s a visual phenomenon, a shape or image that appears but can’t be fully captured. Others argue it’s auditory, a sound that defies recording or interpretation. There are even theories that it exists purely as a concept, like a puzzle you can sense but never fully hold.