TABLE OF CONTENTS CHAPTER 1 Crossing and Connecting 5 CHAPTER 2 Strong Designs Strong Bridges 11 CHAPTER 3 Galloping Gertie 19 THAT'S AWESOME The Pearl Bridge 22 CHAPTER 4 Build a Bridge 25 Focus on Building Bridges 30 Glossary 31 To Learn More 32 Index 32
CHAPTER 1 5 CROSSING AND CONNECTING Twelve year old Jin stands in line with his family He is waiting for his turn to walk across the Zhangjiajie Grand Canyon glass bridge in China The bridge is made of 99 glass panels Each has three layers and can support 40 tons 36 metric tons Finally it's Jin's turn to cross the amazing 1,400 foot 430 m bridge Tourists walk across the Zhangjiajie Grand Canyon glass bridge
