It was a little after midnight in Old Delhi, and I was walking down an alley behind the Jama Masjid across from the Red Fort when I came across two stray dogs (image 1). The scene reminded me of my favorite photographs of stray dogs, vivid images that have stayed with me. These images each have qualities that repeatedly draw the viewer back to them — a hallmark of great photographs.Image 1: © Rashed Haq, 2013.Image 2: © Josef Koudelka, 1987. Parc de Sceaux, Hauts-de-Seine, France.The startlin...