David Hokney most likely known as a painter but he did photography as well. His photography tries to capture multiple perspectives kind of like a cubist painters.
I have become very interested in this concept, as I think that truth and reality are both relative and can be experienced from infinite points of view. that being said here is the link to interview with Hokney where he discusses his thoughts on his photos.
The success of an image does not solely depends on its artistic or technical merits but how many thoughts it provokes, how it makes us feel, how it stirs our emotions, how it ignites our imagination and passion, how it may change us is some way.
Photos allow one to see the world through someones lens, it is a reflection of their mindset, their interpretation of reality. They allow one to travel to far away places and share that experience and be inspired. Photos allow one to share a moment in time regardless of physical locations, to share the human experience.