explore the new life

 Today ,when I have a look from the window,I often see a splendid sight,many cars in queues on the road,move slowly.
Now there are about 4 million cars in Beijing, it is a great number,but the roads haven’t changed for many years.
 I feel worried about the future really.

Beijing is large,so live here, even short-term tour,you should know the general conditions about the Beijing traffic, otherwise it may delay a lot of time.Now I introduce something for you about traffic conditions in Beijing:
  Beijing is surrounded by some layers of the ring road,there have a lot of vertical connecting roads between these ring [...]