This line chart vividly shows the information about changes in the number of London underground station passengers in one day. To begin with, we can see that the number of people started from 100 at 6 am and then increased till the peak at 8 am with the figure of 400. According to the graph, after the peak, the number decreased dramatically till 10 am. Last but not the least, at 16:00 the number reached the bottom with the figure of 100, and then it increased dramatically to 390 at 18:00. In conclusion, the peaking points are at 8:00 and 18:00.