dropdown You might be surprised to learn that there are many, many kinds of houses. Most people in the United States are used to houses made of wood or bricks. But many people around the world live in houses made of grass, dirt, or cloth. dropdown In the Great Rift Valley of Eritrea, the people build their houses of straw. Their houses are shaped like domes – half spheres. The homes are small and cool. The people can move their houses when they want to move. Since the people are nomads, they move often. They take their animals to new places in order to find food. dropdown People who belong to the Uros tribe of Lake Titicaca, Peru build their houses of reeds. They also live on islands that are made of reeds! Their boats are made of reeds too! About 2,000 people live on these man–made islands. dropdown In Sana’a, Yemen, some people live in tall houses made of bricks. These bricks are made of clay, straw, and soil. The bricks last many years –– maybe as long as 500 years. The modern houses in Sana’a are made to look like the older, traditional houses, but they are made of concrete instead of bricks.