Friday, January 12, 2007

The beginnings of a thermal

Shining from the reflection of the sun in the hot desert-like valley of Calingasta in the North of Argentina, the whirlling spiral of hot air is known as a 'dust devil' or 'twister' or really the beginnings of a thermal that will take the air within its path as well as the skilled paraglider pilot, spiraling upward to cloud base.

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