original question: What type of exhibition is [Documentary photography]?
answer: commemorative exhibition, history exhibition, photography exhibition
answer type: Type of Exhibition.
auxiliary information: Documentary photography usually refers to a popular form of photography used to chronicle both significant and relevant to history and historical events and everyday life. It is typically covered in professional photojournalism, or real life reportage, but it may also be an amateur, artistic, or academic pursuit. The photographer attempts to produce truthful, objective, and usually candid photography of a particular subject, most often pictures of people.
[Documentary photography] fits into what category of exhibition?