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The analysis of CORONA satellite images, as well as satellite and aerial photos of the 1970s and 1980s, revealed more than thirty ring-shaped structures. Most of these structures are located between Stavropol and Pyatigorsk in northwestern Caucasus. The sites resemble circular ditches around a large central place without any sign of an entrance.
Bayonet Trench (French: Tranchée des Baïonettes) is a First World War memorial near Verdun, France. The 1920 concrete structure encloses the graves of French soldiers who died on the site, which was a military trench, in June 1916 during the Battle of Verdun. Twenty-one soldiers were buried by German troops within the trench, a common ...
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A trench recently collapsed at a Georgia construction site while a worker was inside, nearly burying the man alive, photos show. Firefighters responded to the scene in Paulding County before noon ...
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A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a swale or a bar ditch), and narrow compared with its length (as opposed to a simple hole or pit).
A trench map shows trenches dug for use in war. This article refers mainly to those produced by the British during the Great War , 1914–1918 although other participants made or used them.. For much of the Great War, trench warfare was almost static, giving rise to the need for large scale maps for attack, defence and artillery use.
The Puerto Rico Trench has produced earthquakes greater than magnitude 8.0 and is considered capable of continuing to do so. [19] [20] According to NASA, beneath the trench is a mass so dense it deflects gravitational pull on the surface of the ocean, causing it to dip somewhat. It also has a negative effect on the accuracy of navigational ...