Click the Google Preview button to take a look inside this book. 21st-Century TunnelsSeries: Feats of 21st-Century EngineeringBy DetailsDetails As cities grow and Earth becomes more congested with millions of miles of roads and railways, tunnels offer access to some of our last available space. They pass through massive mountains, beneath bodies of water, and even under large cities. This resource introduces readers to underground engineering and explains how it works in connection with other disciplines to solve problems of tunnel design, safety, construction, and sustainability. No doubt tunnels of the future will revolutionize transportation and address other global issues. This insightful resource will inspire readers to consider a career in engineering so they can help make it happen.Publication Date: 08/01/2018Copyright: 2018Pages: 48Trim Size: 7 1/4 x 9 1/4Illustrations: Grade Level: 3–6Age Level: 8–11Dewey: 624.1/93--dc23FormatsFormatISBNList PriceDiscount PriceLibrary Bound Book9780766097124$28.93$21.70eBook9780766097148$28.93$21.70 Loading… Other books in Feats of 21st-Century Engineering 12 Loading… Loading… eBook: 9780766097148 List Price: $28.93 Discount Price: $21.70 + Add to wish list Library Bound Book: 9780766097124 List Price: $28.93 Discount Price: $21.70 + Add to wish list Please log in Log in or register to create a wish list. Login or Register Loading… -----OR----- Click to buy at Amazon.com or Barnes and Noble