wind 風

(Associated Press) #

 (Benoit Doppagne/AFP/Getty Images)

(Andy Barron/Reno Gazette-Journal via Associated Press) #

(Anjum Naveed/Associated Press) #

 (Tony Rayl/Yuma Pioneer via Associated Press) #
Ways of the wind - The Big Picture - Boston.com http://www.boston.com/bigpicture/2012/05/ways_of_the_wind.html