what is the average size of a prison cell
Prison cell In the United States, prison cells are usually about 6 by 8 feet in dimension[citation needed], with steel or brick walls and one solid or barred door that locks from the outside. Many modern prison cells are pre-cast.[2] Solid doors may have a window that allows the prisoner to be observed from the outside.
World's largest palace The title of "world's largest palace by area enclosed within the palace's fortified walls" is held by China's Summer Palace complex in Beijing, which covers an area of 720,000 square meters (178 acres). The 980 buildings of the Forbidden City have a combined floor space of 1,614,600 square feet (150,001Â m2) and contain roughly 9,000 rooms.