It should be said that the main means of transportation for some urban residents is bicycles, because mountain cities like Chongqing can't ride bicycles. Personally, I feel that the representative of bicycles as the main means of transportation should be Shanghai, and both Phoenix and Permanent Bicycle in Shanghai are enterprises with decades or even hundreds of years of history. Bicycles were also included in the four major items of marriage in the 1970s and 1980s.

To say the approximate distance of commuting, I personally think it should be 5- 10 km.