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
Architectural sculpture is based mainly on the religious monuments that have survived since antiquity, which are carved stone with post-and-lintel construction. These religious monuments dedicated to the gods or pharaohs were designed with a great deal of architectural sculpture inside and out: engaged statues, carved columns and pillars, and wall surfaces carved with bas-reliefs. The classic examples of Egyptian colossal monuments (the Great Sphinx of Giza, the Abu Simbel temples, the Karnak Temple Complex, etc.) represent thoroughly integrated combinations of architecture and sculpture. Obelisks, elaborately carved from a single block of stone, were usually placed in pairs to flank the entrances to