IMDb 7.1/1020161 小时 28 分钟
40,000 years ago, the steppes of Eurasia were home to our closest relative, the Neanderthals. Recent genetic and archaeological discoveries have proven that they were not the dim-witted cave dwellers we long thought they were. In fact, they were cultured, technologically savvy, and more like us than we ever imagined! So why did they disappear? Scientists have now come to a startling conclusion.
