Science Daily, 17 Nov 2008
The diamond-shape island state of Singapore is more or less the same size as the Danish island of Bornholm. It takes about an hour to drive from the east to the west of the little island on which the city lies.
n spite of its small size, the city has a population of five million, and it is an important communications node by both sea and air. Given that 693 square kilometres has to find room for as many people as the whole of the population of Norway, we can understand that the city must be crowded and that it has reached the limits of expansion.
This is why the authorities are now considering moving some of Singapore’s infrastructure underground. Several ministries have drawn up a list of proposals for how underground caverns could be used for this purpose.
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