Woolly mammoths, those towering giants of the Ice Age, still roamed the Earth during one of humanity's greatest architectural achievements—the construction of the Great Pyramids of Giza, completed around 2560 BC. While Egyptian laborers were hauling massive limestone blocks under the scorching sun, herds of mammoths were grazing in the icy wilderness of northern Siberia and isolated pockets like Wrangel Island, a remote landmass in the Arctic Ocean. What is astonishing is that the last populatio