CHAPTER 1 Touching the Sky 4 CHAPTER 2 The First Skyscrapers 10 CHAPTER 3 Building Skyscrapers 14 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
Chapter 1 Touching The Sky Have you ever stacked blocks to build a tall tower
People have built tall buildings for a long time Early buildings were made of heavy stone The walls were thick to support the weight of the stone