Do you think you can change the life of someone you haven't met?Photographer Richard Renaldi feels you can.

He picks two random strangers to pose for a photo on the streets of New York. Although they may appear awkward at first, the fleeting contact engendered by this encounter changes the lives of both people forever.

Take a look at how Renaldi's photography gives us a glimpse of how life could be if you take the time to touch a stranger.