The temperature nears 120 degrees Fahrenheit (49 degrees Celsius) during the second day of the 63rd annual Bonneville SpeedWeek race on the Bonneville Salt Flats outside Wendover, Utah, August 14, 2011. [Photo/Agencies]

Kayla Madsen, 8, hula-hoops on the salt during the second day of the 63rd annual Bonneville SpeedWeek race on the Bonneville Salt Flats outside Wendover, Utah, August 14, 2011. [Photo/Agencies]