Moon Necklace Express

Jiang Yueyue, a fourth-grade primary school student who likes to read idle books, accidentally rescued a little white rabbit and received a unique gift - a golden moon necklace. After that, she unexpectedly traveled to a parallel space and met her other self; in the Chinese class, the teacher patiently explained the text "The Great Wall", and she traveled directly back to the Qin Dynasty, witnessing the hard work and wisdom of the ancient working people, and was deeply touched; after that, she took her parents to find the deep-sea mermaid, took her classmates to see the aurora, and helped the polar bear to find the United Nations Secretary-General and the Director of the Environment Agency... Her life is no longer ordinary and step-by-step. What is all this about?