[{SlideShowNav}] !!!Coral reef [{Image src='110ip.jpg' width='639' height='423' caption='Image courtesy of NASA. ' popup='false' alt='Coral reef' class='image_left'}] [{SET customtitle='Coral reef'}] \\ The coral reef that makes up Clipperton Island [{GoogleMap location='Clipperton Island' zoom='13'}] forms a complete ring.