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
Yuny (viceroy of Kush) of the Abu Simbel temples were cut. Yuny commemorated his work with a rock-cut scene showing himself standing before Ramesses II on the Abu Simbel cliff. After ten years under Ramesses II, Yuny retired from his post in Nubia. He was succeeded by Heqanakht. Yuny (viceroy of Kush) Yuni served as Head of the-stable-of-Seti-I, Charioteer of His Majesty, and Chief of the Medjay before becoming Viceroy during the reign of Seti I. He would use some of these titles simultaneously. On a stela from Abydos -now in the Cairo Museum (Jd'E 34620) - the inscription reads: "Made by the Superintendent