Innovations that Changed Building Design

Have you ever looked at a skyscraper and wondered how it was built? Do you ever look up at a tall building and wonder how it does not fall down? This story helps you explore the changes that have led to the creation of skyscrapers! You will get to see the different materials that have been developed to allow for better stability. You will get to understand how things like iron, steel, and concrete have revolutionized the way buildings are built and designed. By the end of this story, you will have a new appreciation for the skyscrapers that are all over the world!