scarp wall
41Keep — For other uses, see Keep (disambiguation). Donjon redirects here. For the role playing game of the same name, see Donjon (role playing game) …
42Geography of the People's Republic of China — China is the 3rd or 4th largest country in the world (depending on whether all PRC administered areas are included or not see List of countries and outlying territories by total area) and the one with the most people. It stretches about 5,000… …
43Goldfields Water Supply Scheme — The Goldfields Water Supply Scheme, also known by names such as the Goldfields Pipeline, Goldfields and Agricultural Water Supply Scheme (GAWS), and originally known as the Coolgardie Goldfields Water Supply Scheme, is perhaps the world s longest …
44Defense — (Roget s Thesaurus) < N PARAG:Defense >N GRP: N 1 Sgm: N 1 defense defense protection guard ward Sgm: N 1 shielding shielding &c. >V. Sgm: N 1 propugnation| propugnation| preservation &c. 670 Sgm: N 1 …
45Concentric castle — Krak des Chevaliers: a concentric castle …
46Palace of Nestor — Coordinates: 36°55′53″N 21°43′30″E / 36.931352°N 21.724863°E / 36.931352; 21.724863 …
47Fortified tower — Gate towers at Harlech Castle A fortified tower (also defensive tower or castle tower or, in context, just tower) is one of the defensive structures used in fortifications, such as castles, along with curtain walls. Castle towers can have a… …
48Gord (archaeology) — Reconstructed West Slavic fortified settlement (gord) in Groß Raden, Germany …
49Embrasure — For the area of the mouth, see Embrasure (dentistry). Inverted keyhole embrasure, allowing both arrow fire (through the arrow slit at the top) and small cannon fire through the circular opening, Château de Caen, France …
50Chapeltoun — Coordinates: 55°39′56″N 4°33′17″W / 55.66557°N 4.55484°W / 55.66557; 4.55484 …
