MOSCOW, RUSSIA - AUGUST 18, 2018: A stamp printed in Poland shows Henryk Arctowski, Adelie Penguin (Pygoscelis adeliae), Polish Scientists serie, circ

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MOSCOW, RUSSIA - AUGUST 18, 2018: A stamp printed in Poland shows Henryk Arctowski, Adelie Penguin (Pygoscelis adeliae), Polish Scientists serie, circa 1973

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Size: 3243px × 4272px
Photo credit: © Alexander Mitrofanov / Alamy / Afripics
License: Royalty Free
Model Released: No

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