Directed by Guo Fan, supervised by Liu Cixin, and starred by Wu Jing and Li Xuejian, the film "Wandering Earth 2", a special performance by Andy Lau, was released nationwide on January 22, New Year's Day. Four years ago, during the Spring Festival, the film "Wandering Earth" was released and became the champion of the scheduled box office. Its wonderful story telling and exquisite visual effects not only won the audience's praise, but also caused many discussions about Chinese science fiction films in the industry. What is the story of the newly released "Wandering Earth 2"? What are the highlights of audio-visual production? In response, Guo Fan said that the film continues to pursue more new attempts and breakthroughs in story telling and technical means, and strives to create science fiction films rooted in Chinese culture. [Wandering Earth 2 can be regarded as the prequel of Wandering Earth] From the time sequence of the story, Wandering Earth 2 can be regarded as the prequel of Wandering Earth. "Wandering Earth" tells the story that the sun is about to be destroyed, and mankind has launched the "Wandering Earth" plan to promote the earth to leave the solar system and find a new home. "Wandering Earth 2" focuses on the experience of human beings joining hands to overcome difficulties in the early stage of the solar crisis before the earth began to "wander". In Guo Fan's view, moving the timeline forward can effectively expand the narrative space of the film. "Wandering Earth 2 can describe in more detail the changes in society and environment from the near future to the time before the Earth's" wandering ", and what technologies humans have adopted to deal with disasters. For the characters that have appeared in the previous works, Wandering Earth 2 can also more clearly depict their life experiences and growth process. These will play a positive role in the audience's better understanding of the story," Guo Fan said. Compared with the previous film, the cast of Wandering Earth 2 has also changed. Many audiences expressed their expectations for the performances of Li Xuejian and Andy Lau. When talking about the feeling of working with the two actors, Guo Fan repeatedly mentioned the word "dedication". "They are performing with their love and belief in the profession of actors." Guo Fan said, "They should carefully prepare before each play, repeatedly think about the character's mood, and determine the state that the character should present. They will practice for a seemingly simple shot for a long time." [New attempt in text creation and technical means] "Wandering Earth" once presented a grand spectacle of ice and snow on the screen, The setting of Wandering Earth 2 is more abundant. The sudden drop of temperature, the rolling of huge waves, the coming of meteorites... As the story progresses, "Wandering Earth 2" presents many wonderful visual effects, such as the space elevator, the moon debris falling to the ground, and so on. "The picture is complex and diverse, and the number of actors is more, which puts forward higher requirements for our main creative team. We use 3D printing, digital lathe, laser carving and many other technologies to promote the production of film props to be more efficient and more refined," Guo Fan said. Not only that, Guo Fan said that the characters in the film experienced a process of change from youth, middle age to old age. "We try to use technical means to carve the changes in the facial state of the characters at different ages, making the characters more vivid, and the story telling more convincing and appealing." In the setting of the story, "Wandering Earth 2" also has new highlights. "We have made further progress in text creation,