If the age of Earth was scaled to 12 hours, humans would only have come into existence in the last 19 seconds.Twenty-two minutes ago, a meteorite hit Mexico's Yucatan Peninsula, wiping out (almost) all dinosaurs.Across the aeons, Earth has been home to forest-dwelling mega-penguins, mile-high waterfalls in the Mediterranean, humongous glass sponge reefs, and many other fascinating sights.This book provides snapshots of the most wonder-filled moments from our planet’s vast history, as well as the science and geography that created them.Written by an expert palaeontologist, each snapshot of another world is accompanied by awe-inspiring illustrations, maps of the ever-moving continents, and photos of comparable contemporary phenomena.So dive back into deep time, and unlock the secrets of our planet’s past.