Lifesize models of prehistoric life-forms. As you follow the path through this giant open book, you are projected back into the far distant past to find out about the evolution of species. The journey begins with the Big Bang, then follows the formation of the Earth, the appearance of life in the oceans, dinosaurs until their extinction, the first flying reptiles, prehistoric mammals and the evolution of Man from 3 million years ago up to the Neolithic period.