video materials can be found on the internet, some are paid and some are free, and most of them are from some foreign video materials websites. You can search, and many of them are free and have no copyright. Or you can download a lot of this video material from Tik Tok, but you should pay attention to the use of this copyright. In addition, you can find video material from many nearby stories. You can find video material from some early magazines above this magazine.