"De architectura libri decem" (Ten books on architecture) is an outstanding work of the ancient Roman architect and engineer Vitruvius Pollio. In his book, Vitruvius examines various aspects of architecture, including building proportions, engineering techniques, types of building materials and their uses. The book is the first systematic treatise on architecture in history and became a defining source of knowledge on the subject for centuries to come. Vitruvius combines elements of theory with practical advice in his work, making it useful for architects and builders. This book not only adheres to the principles of classical architecture, but is also a primary source for modern research in the field of architecture.