<p>Surfer Coco Ho is momentarily suspended weightless between the ocean's surface and the shallow reef.</p> <p><i>(This photo and caption were submitted to <a href="http://yourshot.nationalgeographic.com/">Your Shot.</a>)</i></p> <p><b>What Made This a Photo of the Day</b></p> <p>The challenge for May's adventure-themed Photo of the Day was finding shots that represented a wide array of activities while also standing alone as compelling images. This shot of surfer Coco Ho fit the bill perfectly. The choice of black and white focuses our attention on the primary elements of the frame—the motion of the water and graceful movement of the surfer as she swims to the surface. The effect is at once ethereal and corporeal. <i>—Alexa Keefe, Photo of the Day editor</i></p>