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
Environmental issues in Egypt New York. One of the largest environmental pressures on Abu Simbel is tourism and its associated issues. Landscaping conducted in order to make the site seem more presentable in its new clifftop home has damaged the delicate sandstone rock face. Landscapers brought in sand, which blew in the wind and almost eroded a face of Nefertari on the temple, one of the wives of Ramses II. In an attempt to solve this problem, grass was planted around the base of the temples. Watering the grass also damaged the site by raising the humidity levels in the sandstone. People are often