polygonal masonry -
41Roman engineering — Origins The Romans are generally famous for their advanced engineering accomplishments, although some of their own inventions were improvements on older ideas, concepts and inventions. Technology for bringing running water into cities was… …
42pyramid — pyramidlike, adj. /pir euh mid/, n. 1. Archit. a. (in ancient Egypt) a quadrilateral masonry mass having smooth, steeply sloping sides meeting at an apex, used as a tomb. b. (in ancient Egypt and pre Columbian Central America) a quadrilateral… …
43Latin American architecture — Introduction history of architecture in Mesoamerica, Central America, South America, and the Caribbean beginning after contact with the Spanish and Portuguese in 1492 and 1500, respectively, and continuing to the present. For… …
44Timeline of Russian inventions and technology records — The Hall of Space Technology in the Tsiolkovsky State Museum of the History of Cosmonautics, Kaluga, Russia. The exhibition includes the models and replicas of the following Russian inventions: the first satellite, Sputnik 1 (a ball under the… …
45Isernia — Infobox CityIT img coa = Isernia Stemma.png official name = Comune di Isernia region = Molise province = Isernia (IS) elevation m = 423 area total km2 = 68.74 population as of = December 31, 2004 population total = 21500 population density km2 =… …
46Kefeli Mosque — Kefeli Câmîi The Kefeli Mosque seen from the south Basic information Location Istanbul, Turkey Geographic coordinates …
47column — columned /kol euhmd/, columnated /kol euhm nay tid/, adj. /kol euhm/, n. 1. Archit. a. a rigid, relatively slender, upright support, composed of relatively few pieces. b. a decorative pillar, most often composed of stone and typically having a… …
48Roman Architectural Revolution — The Roman Pantheon, largest dome in the world for more than 1700 years and the largest unreinforced solid concrete dome to this day[1] The Roman Architectural Revolution, also known as the concrete Revolution,[2] is a term used …
49Conversano Castle — Castello di Conversano Conversano, Italy …
50Defensive wall — See also: List of cities with defensive walls Part of the Great Wall of China, a UNESCO World Heritage Site …
