Viktor Maleyev, a trainer with Sirius circus, kisses a bear cub named Valera in the yard of the Kakhnovich family's house in the city of Zhodzina, Belarus. /VCG

Owned by the Kakhnovich family, the Sirius circus is one of the largest in Belarus. /VCG

A pony named Jack also gets its share of outdoor training. /VCG

Pigeons, however, are learning tricks indoors. /VCG