 Outside the ceremonial center (especially in the southern area sometimes resembling an acropolis) were the structures of lesser nobles, smaller temples, and individual shrines, surrounded by the wards of the commoners.Dam-like causeways (sacbeob) spread from the 'ceremonial centers' to other nuclei of habitation.Fitting in with the concept of a 'theatre state', more attention appears to have been given to aesthetics than to solidity of construction.