Join Finley as he travels around the world and back in time to explore everything from fossils to volcanoes and even how rocks helped formed our planet!
We whiz back 3 billion years to see the earliest stages of photosynthesis which paved the way for creatures such as humans to eventually exist.
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Rocks are everywhere! And they've been around for ages - the rocks that you see in the back of your garden may be thousands of years old!More From Geology Rocks