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Polar bears cool off at Budapest Zoo

 Polar bears cools off near the pool in Budapest's Zoo on Aug. 24, 2011. Temperatures reached 100 degrees in Hungary.  
Bernadett Szabo / Reuters
Budapest Zoo's 19 year-old polar bear Vitush blows bubbles as he swims in his pool.
Budapest Zoo's 19 year-old polar bear Vitush blows bubbles as he swims in his pool.Bela Szandelszky / AP
Bernadett Szabo / Reuters

 Polar bears cools off near the pool in Budapest's Zoo on Aug. 24, 2011. Temperatures reached 100 degrees in Hungary.