 |
There are more bicycles in China than in any other country, but as people get richer they want to buy cars. Cars go faster, but they produce pollution and use up precious oil supplies.
Credits: C Garroni Parisi/Still Pictures
|
|
|
|||
|
|
||||
There are more bicycles in China than in any other country, but as people get richer they want to buy cars. Cars go faster, but they produce pollution and use up precious oil supplies. Credits: C Garroni Parisi/Still Pictures |
|||||