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Polar bears eat their frozen meal at Budapest Zoo in Budapest, Hungary on Feb. 2, 2018. Zoo Budapest gave meals of fruits and fish frozen in water as a form of carnival festival treat for the polar bears. (Xinhua/Attila Volgyi)
Polar bears eat their frozen meal at Budapest Zoo in Budapest, Hungary on Feb. 2, 2018. Zoo Budapest gave meals of fruits and fish frozen in water as a form of carnival festival treat for the polar bears. (Xinhua/Attila Volgyi)