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1991, China's main cities Shanghai (pictured here) and Beijing were bicycle Kingdoms. Since then, however, the car has become an increasingly popular mode of transport, putting mounting pressure on public traffic and air quality. [China Daily]
![1991, China's main cities Shanghai (pictured here) and Beijing were bicycle Kingdoms. Since then, however, the car has become an increasingly popular mode of transport, putting mounting pressure on public traffic and air quality. [China Daily]](http://images.china.cn/attachement/jpg/site1007/20081220/000802aa2f490ab6920106.jpg "1991, China's main cities Shanghai (pictured here) and Beijing were bicycle Kingdoms. Since then, however, the car has become an increasingly popular mode of transport, putting mounting pressure on public traffic and air quality. [China Daily]")