(Sony A55; a blonde tourist in Beijng) In fact, we know it. Once on a bus a chatty lady was overheard embarrassing his male company who was reviewing his shot, with the exclaim, "You can’t hide anymore; I saw those shots of a pretty lady on the street. Need me to tell your wife?" For a photo to be eye-catching, a subject more pleasing to the eye makes a big difference, be that a handsome face, a beautifully curved body or a heavily coloured whatnots. Our eye tends to be more attentive to mind-soothing objects. Photographers are born with this intuition; our fellow human beings are of no exception. It may be just that with a trained eye, photographers stay more alert and irresistible to catching images of pretty persons and things. Sometimes, with a camera, you just can't bear not pointing the lens to those pretty ladies and handsome men. With a 300-plus mm zoom lens, hopefully, the pretty lady was supposed not to notice it. But she did and her facial experssion l...