Over 55 million years ago, the Earth was home to the Titanoboa, one of the largest snakes ever to live. Longer than a school bus, heavier than a polar bear, and powerful enough to kill crocodiles, ...
Cave bears smash lion skulls, saber-cats starve in silence, and the ice begins to melt. Five episodes of jaw-dropping beauty later, the series leaves you staring at the brutal question about climate ...
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