Alsophila spinulosa, value is existence, as a creature that has existed longer than dinosaurs. Its growth has given the meaning of life to nature. Such an everlasting community falls on the long river of life in the east of Fuling River, which is always pouring down. No one cares about its color, and no one pays attention to its traces. It will keep the original appearance like this, quietly and compatriots in groups, guarding Jiangdong this side of the world. While remembering the past friends-dinosaur fossils, while accompanying the human civilization of us. Use it as a tree fern to stand between heaven and earth, and to show the meaning of existence to people who come to visit.