Finja, a polar bear baby, is seen at the Schonbrunn Zoo in Vienna, Austria, Feb. 19, 2020. On Thursday, which was the International Polar Bear Day, the Schonbrunn Zoo announced the name of female polar bear cub, Finja, who was born on Nov. 9, 2019. [Photo/Xinhua]

Finja, a polar bear baby, is seen at the Schonbrunn Zoo in Vienna, Austria, Feb. 19, 2020. On Thursday, which was the International Polar Bear Day, the Schonbrunn Zoo announced the name of female polar bear cub, Finja, who was born on Nov. 9, 2019. [Photo/Xinhua]

Finja, a polar bear baby, is seen at the Schonbrunn Zoo in Vienna, Austria, Feb. 19, 2020. On Thursday, which was the International Polar Bear Day, the Schonbrunn Zoo announced the name of female polar bear cub, Finja, who was born on Nov. 9, 2019. [Photo/Xinhua]