In many places around the world, land is scarce and expensive. In big cities, builders have overcome the space problem by building up instead of out.
The people on the top floors get a bird’s-eye view of the city below just by looking out the window.
In less modern places, people have found creative ways to deal with overcrowding. In Southeast Asia and other tropical regions, people often build houses near water. The homes sit on stilts, which helps them avoid damage during yearly floods.
