Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America

Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America

A young polar bear (Ursus maritimus) scavenging a fresh bearded seal kill recently vacated by old male that killed the seal, Svalbard, Norway

Man drawing a copy of a painting in the Louvre Museum, Paris, France, Europe

Device allowing visitors to simulate a shot on goal, Museum of Stade Geoffroy-Guichard, Saint-Etienne, Loire department, Auvergne-Rhone-Alpes region, France, Europe