Anthropological documentary: Sun Zengtian's "The Last Mountain God"

Natural category: "Song of the Forest"

Documentary category: Liu Xiaoli's "Deng Xiaoping"

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Social life category: "Dexingfang" in Jiangning

Historical and cultural category: "The Forbidden City"

Scenery film: "The Legend of the Three Gorges"

But the documentary itself is the subject of most academic discussions among all film and television literature. Many things are inconclusive and experts argue about it every day. I just briefly divided them according to subject matter. It depends on your classification standards. For example, according to the medium, the simplest ones are film documentaries and TV documentaries. By length: short film, feature film, series.