YoshikazuTsuno/AFP, Getty Images
A polar bear bites an ice block that contains food at the Higashiyama Zoo in Nagoya, Japan, on Sunday. Zoo animals were given icy treats as the thermometer climbed to above 95 degrees.

A polar bear bites an ice block that contains food at the Higashiyama Zoo in Nagoya, Japan, on Sunday. Zoo animals were given icy treats as the thermometer climbed to above 95 degrees.