OSAKA -- A zookeeper demonstrated the daring task of brushing a hippo's teeth during a special event at Osaka Tennoji Zoo in this western Japan city's Tennoji Ward on June 1, to the delight of ...

The zoo, which opened on Jan. 1, 1915, as a city-run facility in the northern section of Tennoji Park in Osaka's Shinsekai district, originally exhibited about 60 species and covered only a fifth ...