To this day, the Romans are admired for their technological know-how and massive, well-designed public works projects. Readers learn how the Romans ensured a clean water supply for their cities, used volcanic ash to make long-lasting concrete, created the world’s first professional army, and much more. Photographs of structures that are standing to this day help demonstrate the ingenuity of Roman engineers and the skill of Roman workers.
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语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781477710333 ● 出版者 The Rosen Publishing Group, Inc ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 7134507 ● 复制保护 Adobe DRM
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