Written in straightforward non-technical language, with numerous diagrams and photographs, this book takes a look at the invisible art of the great builders: how they founded their constructions in the earth and strove to understand and combat the natural forces, such as earth pressures, water, landslides, earthquakes, and almost imperceptible geological changes, with which they had to contend. A great many examples, including the ziggurats of Mesopotamia, the pyramids of Egypt, the Roman roads, the Tower of Pisa, the Eddystone Lighthouse, the Panama Canal, the Thames Tunnel and the Eiffel...
Written in straightforward non-technical language, with numerous diagrams and photographs, this book takes a look at the invisible art of the great...
The Pharoahs were masters of the Nile: they had a detailed understanding of the ways of the river. Modern Egyptians see themselves as heirs to this tradition, and as owners of the Nile waters. In the 1960's, Egypt decided to protect its increasingly-populated Nile valley from the ravages of annual flooding by building a dam. A relatively small dam in the valley of Nubia, in the region of Tushka, would have enabled the excess floodwaters to safely be diverted towards the fossil valley of the pre-Nile. However, it was decided to select a site near Aswan, making it necessary to inundate more...
The Pharoahs were masters of the Nile: they had a detailed understanding of the ways of the river. Modern Egyptians see themselves as heirs to this tr...