Page:Popular Science Monthly Volume 88.djvu/76

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Not a Cliff Dwelling, But a Modern Trench

image of a French field fortification
Courtesy of Illustrated London News

A three-storied French field fortification, an example of France's remarkable skill in defense-works and dug-out shelters. The walls of this huge first line trench are constructed of solid stone, and numerous sand bags and cylindrical baskets filled with earth serve to deaden the explosion of any shell which reaches the trench

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