massive buttress dam
11List of accidents and incidents involving military aircraft, 1950-1974 — This is a list of notable accidents and incidents involving military aircraft grouped by the year in which the accident or incident occurred. For more exhaustive lists, see the [http://www.baaa acro.com/ Aircraft Crash Record Office] or the [http …
12Cougar Mountain Regional Wildland Park — IUCN Category IV (Habitat/Species Management Area) …
13Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
14Serbia — /serr bee euh/, n. a former kingdom in S Europe: now, with revised boundaries, a constituent republic of Yugoslavia, in the N part; includes the autonomous provinces of Kosovo and Vojvodina. 9,660,000; 34,116 sq. mi. (88,360 sq. km). Cap.:… …
15Han Dynasty — 漢朝 ← 206 BCE–220 CE …
16Notre Dame de Paris — For other uses, see Notre Dame (disambiguation). For the Victor Hugo novel, see The Hunchback of Notre Dame. For the musical, see Notre Dame de Paris (musical). Cathédrale Notre Dame de Paris Notre Dame de Paris: Western Facade with westwork …
17art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
18technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
19World's largest dams — ▪ Table World s largest dams By height name type1 date of completion river country height (m) Nurek E 1980 Vakhsh Tajikistan 300 Grande Dixence G 1961 Dixence Switzerland 285 Inguri A 1980 Inguri Georgia 272 Vaiont2 A 1961 Vaiont Italy… …
20arch — arch1 /ahrch/, n. 1. Archit. a. a curved masonry construction for spanning an opening, consisting of a number of wedgelike stones, bricks, or the like, set with the narrower side toward the opening in such a way that forces on the arch are… …
