This video simulates the process of climbing out of a cave, with the intention of finding the essence of the world while slowly moving forward Plato proposed his cave metaphor. The cave is a symbol of the mysterious power of the world, and the image of the cave itself is a metaphor for the world. What we are in is not the real world, but the image of the world, and this image is a cave. Climbing out of this cave means climbing out of the jade body of the world and entering the ontology.Zarathustra walked into a cave full of flowers and streams and saw the vision of the world in the cave. After that, people began to carry out religious ceremonies in the cave andused the cave as a symbol of the world.