It is incredible what can make a human mind and camera together. It could be an amazing creation. One of these human mind and camera creations are slow motion pictures. Look below 29 amazing slow motion photography.
Motion blur is the apparent streaking of rapidly moving objects in a still image or a sequence of images such as a movie or animation. [mainimage] When you see a picture that showcases a motion blur in action photography, you may think only professional
Bokeh photography: Manually focus everything so the lights in the background are out of focus, and the subject (if there is one) is in focus. Also keep a small depth-of-field with a small aperture so the background is easily blurred (motion blur)
In this image, the blur of people moving around in the crowd makes it look interesting, but it is also focusing on particular people who are standing, walking, moving in what looks like a busy area. A slow shutter speed is used in this image.