Ключевые слова: 2 million to 8000 years ago, ancient, animal skeleton, animals, archival, bone, bones, close, collection, color, example, excursion, exhibition, explore, extinct, fossil, giant, herbivorous, huge, huge beast, image, incomplete, indoors, installation, large plan, lighted, mammals, megatherium, megatherium americanum, model, modern, museum, museum of natural history, no people, omnivorous, paleontology, prehistoric era, profile, realtime, skeleton, sloth, stone, university, valuable,