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Sir David Attenborough presents this historical documentary that brings to life, in unprecedented detail, the lost world of the last days of the dinosaurs. While searching the hills of North Dakota, paleontologist Robert De Palma makes a startling discovery in a prehistoric cemetery known as tanis - fossilized creatures, as amazingly well preserved as the bodies found in Pompeii. Meanwhile, cutting-edge scanning techniques are revealing fossil secrets that could change our understanding of dinosaur extinction once and for all.
