A polar bear eats pumpkin during Halloween celebration in the Tiergarten Schoenbrunn zoo in Vienna
A polar bear eats a pumpkin during Halloween celebration in the Tiergarten Schoenbrunn zoo in Vienna October 31, 2014. Once a year the animals in the zoo are fed with pumpkins to celebrate Halloween. REUTERS/Leonhard Foeger (AUSTRIA - Tags: SOCIETY TPX IMAGES OF THE DAY ANIMALS)