Shell keep

A shell keep is a type of fortification in the medieval era. Shell keeps are stone structures circling around a raised area of the ground, called a motte.

Gallery

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  The shell keep of Windsor Castle was built by Henry II and remodelled in the 19th century.
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  Restormel Castle built around the motte
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  Plan of Restormel Castle
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  Tamworth Castle, Staffordshire
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  Totnes Castle, Devon
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  Wiston Castle, Pembrokeshire