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Also known as sounding sand, singing sand is sand that emits musical, humming, whistling, or crunching sounds when disturbed. Although it has been studied extensively, the phenomenon is not completely understood. When it occurs near dunes, the sound accompanies a slumping or avalanching movement of the sand, usually triggered by wind or by someone walking near the crest. Different patches of sand are even said to “sing” at different frequencies. What are some locations where the sand sings? Discuss
Source: The Free Dictionary