Why did the man go to Beijing?

W:   Have you ever been to China?
M: Only once. I went to see an old friend who lives in Beijing. I found it very interesting and so different from England.
W:  I was told a lot of people rode bicycles to work.
M:   Yes. To tell you the truth,   I was thinking of following suit when I came back to England.
W:   Riding a bicycle keeps people healthy,   doesn’t it?
M:   It’s certainly better exercise than sitting in a car or on a bus.
W:  Are there a lot of cars and buses in Beijing?
M:  Yes.
W:  What impression did you have of the traffic there?
M: Maybe the traffic in Beijing is OK now, but last year I found it was always busy during the rush hours when people were coming and going to and from work. It nearly drove me crazy while sitting in a car not moving for a long time.