Synopsis：
Since the world began,more than 500 million organisms have been staying on Earth: the fungi that we cannot see with our naked eyes; the giant mushroom with a height of 6 meters; the first Cooksonia that emerged to the earth from the ocean; “big coal producer” Lepidodendron; the mysteriously disappeared mammoths and the ancestor of humans Southern ape.Majority of them have died due to environmental changes. Only a minority of them evolved themselves to adapt to the environment and become what they look like today. However, no matter they still exist or have already extinct, these creatures have a life secret that ca help us to rediscover the Earth.
