Photography as defined by the Dictionary.com is the process or art of producing images of objects on sensitized surfaces by the chemical action of light or of other forms of radiant energy, as x-rays, gamma rays, or cosmic rays.
      But I think it is the art of capturing emotions in almost everything around yourself. It may be the serenity in the silhouette effect created by sun with the tree. It could be the peace we hear in the sea waves. Or the freedom of the water ripples etc.