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
Abu Simbel temples princes Meryatum and Meryre, princesses Meritamen and Henuttawy, and princes Rahirwenemef and Amun-her-khepeshef, while on the north side the same figures are in reverse order. The plan of the Small Temple is a simplified version of that of the Great Temple. As the larger temple dedicated to the king, the hypostyle hall or pronaos is supported by six pillars; in this case, however, they are not Osiris pillars depicting the king, but are decorated with scenes with the queen playing the sistrum (an instrument sacred to the goddess Hathor), together with the gods Horus, Khnum, Khonsu, and Thoth, and the