Reservoir re-housed, historical artifacts moved or rare environments relocated. Examples include the temples of Abu Simbel (which were moved before the construction of the Aswan Dam to create Lake Nasser from the Nile in Egypt), the relocation of the village of Capel Celyn during the construction of Llyn Celyn, and the relocation of Borgo San Pietro of Petrella Salto during the construction of Lake Salto. Construction of a reservoir in a valley will usually need the river to be diverted during part of the build, often through a temporary tunnel or by-pass channel. In hilly regions, reservoirs are often constructed by
William MacQuitty massive feat of archaeological engineering the temples were raised above water level. MacQuitty's plan has always been regarded as supremely elegant and probably the best in terms of conservation of the temples. That experience led to his first book, "Abu Simbel", published in 1965 and lavishly illustrated with his own photographs. He went on to produce almost a book a year on a variety of subjects, reflecting his interests in the Orient, all illustrated with his award-winning photographs from a library of a quarter of a million taken by him over 60 years in 75 different countries. "Buddha", published in