Tiger, an American Pit Bull Terrier, cools off as he splashes in an open fire hydrant on 134th street...
Tiger, an American Pit Bull Terrier, cools off as he splashes in an open fire hydrant on 134th street in the Washington Heights section of upper Manhattan in New York City July 21, 2011. Temperatures were expected to reach near record levels Thursday as a heat wave spread east from the nation's midsection. REUTERS/Mike Segar (UNITED STATES - Tags: ENVIRONMENT ANIMALS)