Over the years, certain photographs I have captured have come to speak to me. These are necessarily the prettiest of images or the most technically correct. Some aren't even that special, as far as a photograph goes, yet they still stand out in my mind. This is one of those photographs.

We need to have a conversation about homelessness. All across the world, people hurry about their daily lives, hardly noticing as their fellow human beings prepare a bed of cardboard boxes and plastic sheets. The conversation we need to have is, why?