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| [00:00.00] | More and more of the world's population are living in towns or cities. |
| [00:05.13] | The speed at which cities are growing in the less developed countries is alarming. |
| [00:11.36] | Between 1920 and 1960,big cities in developed contries increased two and a half times in size, |
| [00:20.15] | but in other parts of the world the growth was eight times their size. |
| [00:25.45] | The sheer size of growth is bad enough, |
| [00:29.76] | but there are now also very disturbing signs of trouble in the comparison of percentages of people living in towns and percentage of people working in industry. |
| [00:41.62] | During the 19th century,cities grew as a result of the growth of industry. |
| [00:48.57] | In Europe,the proportion of people living in cities was always smaller than that of the workforce working in factories. |
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