Why is the basic feature of photography to create truth?

As a modern documentary plastic arts, photography not only has the aesthetic characteristics of plastic arts such as painting and sculpture, but also has its own uniqueness. The unique aesthetic characteristics of photography mainly focus on the unity of documentary and artistry. Photography pays special attention to the creation of reality, and its documentary nature lies in that it can reproduce the subject realistically and accurately with the help of scientific and technological means, making the photographic works objective and true and giving people a sense of reality. Secondly, this kind of documentary is also manifested in the fact that it must be filmed directly in front of the main body and truthfully reflect the real people, events and environment in real life. Many excellent photographic works are often snapped or snapped, and this documentary shooting method can give people the feeling of being there. In contrast, paintings and sculptures do not need to be created on the spot. They can represent the present, the past or the future, or even things that the artist imagines but don't exist in real life. Generally speaking, photography can't show things in the past and the future, let alone things that don't exist in objective life.