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.
crossing the road is an action that most people take part in everyday. We have all crossed a road not paying much attention to the others around us. But look at the diversity, look at how everyone is the same but different at the same time.