2334808 The bear pit of the Museum of Natural History: bear on the back grabbing a piece of meat, two bears playing on a tree an another one eating (engraving) by Unknown Artist, (19th century); (add.info.: The bear pit at the Museum of Natural History. In the foreground, a bear lies on his back catches a piece of meat. In the background, two other bears play in a tree. A fourth eats.); out of copyright.