Art is a way of expressing feelings, thoughts , views, ideas, emotions through different ways.
In the similar, photography can be said as an art form. People takes the photographs of those things which are emotionally attached to them and which attracts their mind.Thus, photography and art looks similar to each other. So, photography can be considered as an art form.
Moreover, photos that were taken many years ago explain about the history. We can know about many things by watching the photo. We can gain lots of knowledge.