plz give the theme of the poem photograph

The theme of the poem Photograph is loss, memory and the transience of life. It explores how people may die but in a strange way they continue to live on in the form of memories. These memories are not just restricted to one's head but can also attain a tangible form such as photographs. In certain ways, a photograph is like a memory,plucked out of time and frozen forever. The person one sees in the photograph is a version of themselves that no longer exists and it is especially ironic when we see how it can be connected to death. The photograph also marks the loss of that moment which is being photographed, it marks the passage of time and then becomes a reminder of what has gone by. Human beings are mortal and thus, we continue to seek ways in which to immortalize ourselves, through photographs and memories.