The video shows inside of 9 line bus. Right picture is taken in the night and left one is in the morning. In the videos, both bus were passing the way beside the business school. The contrast is that both videos present the difference of speed and numbers of passengers. Obviously, bus in the right video is faster than left one because of less passengers and also it is not in the rush hour. Moreover, the right bus made a noise voice which is kind of like that driver hope finishing the work quickly so he drive fast. Therefore, we present the 2 situiations of the 9 line bus by using different time, people's number and speed of the bus.










