Towering nearly 200 meters high, Mongolia’s Khongoryn Els are among approximately 30 “singing dunes” worldwide. Precise balances of humidity, silicon content and sand grain size and shape must be perfect to achieve the deeply vibrating hum these dunes produce. Click any photo to enlarge.
With each step up the steep slope of the dunes, we simultaneously gained and lost elevation, slipping back with the shifting sand. Although the mid-October day was cool, we were stripped down to jeans and shirts, and would have been more comfortable in shorts. By the midway point, we were drenched with sweat. And that’s about when we began to notice it – an unmistakable vibration that began in our feet and traveled through our leg bones up through our hips accompanied by a low, resonate hum. The sound was audible – sort of like monks chanting “ohmmmmmm” from somewhere deep in their throats.
Wind sculpted sand has fascinated humans for…
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