How do people make movies, music video, dance video. In different angles?

How do people have cameras recording for like movies and stuff and when they finish and you watch the video everything in different angles? Sometimes I feel like there just multiple cameras and they just crop from each camera but I saw one of Matt Steffanina dance videl and his camera man is only one... show more How do people have cameras recording for like movies and stuff and when they finish and you watch the video everything in different angles? Sometimes I feel like there just multiple cameras and they just crop from each camera but I saw one of Matt Steffanina dance videl and his camera man is only one person and he makes his dance video in different angels during whole video. I would really like to know how does this work cause im going on vacation in 2 months and I want to make a dance video where the videl is in differnt angles and stuff, I think we only have one camera im not sure but can someone please explain how do they do that as detailed as possible?
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