The video is made through AI technology. The video content tells the story of Lin You, a junior high school girl who was distracted by the illustrations of the Red Army's Long March in history class, but inadvertently showed her unique understanding and deep sympathy for history. When she was doodling on the textbook, she accidentally made a cross-time connection with the Red Army soldiers in the illustration, and was brought into the difficult environment of the Long March. In this fantasy journey, Lin You uses her brushes to help the Red Army soldiers. Through this extraordinary experience, Lin You not only personally experienced the hardships and greatness of the Red Army's Long March, but also deeply understood the importance of that period of history and the bravery and fearlessness of the Red Army soldiers. After returning to reality, she not only improved her knowledge of history significantly, but more importantly, she learned how to face and learn history with more respect and gratitude. This story encourages readers to explore and understand history with an open mind, and also emphasizes the role of art and imagination as a bridge between the past and the present, the individual and the collective.