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
Silvio Curto the Abu Simbel temples which were threatened by the building of the Aswan High Dam. Italy received as a gift the small temple of Ellesyia, originally built by Thutmose III for the god Horus, which was rebuilt by Curto in 1970 inside the Museo Egizio in Turin, where it still is.<br> From 1964 to 1989 he taught Egyptology at the University of Turin. He also contributed to various Egyptian collections throughout Italy, such as renovating the one in the Museo Civico Archeologico of Bologna in 1961 and co-founding the Egyptian Museum of Milan in 1972. Curto died on September 24,