A documentary is a non-fictional video that presents factualinformation about real events, people, or issues. It aims toeducate, inform, or entertain by providing an in-depth lookinto a particular subject. Documentaries often utilizeinterviews, footage, photographs, and narration to convey amessage or tell a story. They can cover a wide range of topics,including social issues, historical events, scientific discoveries,and cultural phenomena. Documentaries can vary in style,from observational and fly-on-the-wall to more investigativeor expository approaches.