preferred style of construction for much of Inner-Asia, and has been used from Nepal to Siberia. The 13-story Potala Palace in Lhasa, is one of the best known examples of this style and was named a UNESCO World Heritage Site in 1994. Middle East Battered walls are a common architectural feature found in Ancient Egyptian architecture. Usually constructed from mud brick for residential applications, limestone, sandstone, or granite was used mainly in the construction of temples and tombs. In terms of monumental architecture, the Giza pyramid complex in Cairo utilized different grades of battered walls to achieve great heights with relative stability. The Pyramid of Djoser is an archeological remain in the Saqqara necropolis, northwest of the city of Memphis that is a quintessential example of battered walls used in sequence to produce a step pyramid. New World In the Americas, battered walls are seen as a fairly common aspect of Mission style architecture, where Spanish design was hybridized with Native American adobe building techniques. As exemplified by the San Estevan del Rey Mission Church in Acoma, New Mexico, c.1629-42, the heights desired by Spanish Catholic Mission design was achieved through battering adobe bricks to achieve structural stability. Gallery References Building engineering Types of wall Architectural terminology