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Secrets of the Jurassic Dinosaurs - How to measure a Dinosaur
Liz Bonnin and Palaeontologist Dr Victoria Egerton calculate the length of a gigantic Jurassic Sauropod dinosaur, these were some of the largest beasts ever to roam the earth
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Secrets of the Jurassic Dinosaurs - Lick and Stick Test
Duration: 02:09
