Focus 2 reading 4.4

The Bajau people are called sea gypsies

Treehouses protect Korowai Tribe from other tribes

Now about 300 people live in the volcanic crater

Petra is a popular trading centre

The Beduin lived in caves

Coober Pedy is a town

The residents of Coober Pedy escaped from scorching temperatures

Korowai build their houses in trees

The Bajau people don't feel comfortable on land

People in Coober Pedy prefer living underground

People on Aogashima don't want to live in a volcano

Petra is a mining town