A dog lays on a sprinkler at a dog park
A dog lays on a sprinkler at a dog park on the Upper East Side of New York City on July 21, 2011 as people and animals try different ways to beat the hot weather. Heat indexes are expected to reach near 105F degrees (40.5C) . AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)