![]() What are dust devils? A dustdevil is a whirlwind of air into which dust and debris gets caught up, making it visible. They usually are seen during relatively dry conditions. ![]() ![]() A student was injured when he was falling on the ground after being whirled high up in the air by an unexpected dust devil on Wednesday during a sports event in Guazhou County of northwest China's Gansu Province. A dust devil is a strong, well-formed, and relatively long-lived whirlwind, ranging from small (half a meter wide and a few meters tall) to large (more than 10 meters wide and more than 1000 meters tall). The primary vertical. Buy Dirt Devil Vac+Dust Cordless Stick Vacuum with SWIPES, BD21005PC at Walmart.com.
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October 2016
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