sentences:  An oak rod from the Iron Age fortified settlement at Borre Fen in Denmark measured , with marks dividing it up into eight parts of , corresponding quite closely to half a Doric Pous (a Greek foot).A hazel measuring rod recovered from a Bronze Age burial mound in Borum Eshøj, East Jutland by P. V. Glob in 1875 measured corresponding remarkably well to the traditional Danish foot.The megalithic structures of Great Britain has been hypothesized to have been built by a "Megalithic Yard", though some authorities believe these structures have been measured out by pacing.