Mystery solved? Sacsayhuaman, Peru: Why irregular stones were used in the ancient citadel walls.

First published at 21:01 UTC on June 2nd, 2022.
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The irregular stone walls of the citadel above the Peruvian city of Cusco have posed an apparently unsolvable mystery. The way they were made and transported and the very reason for such irregularity doesn't seem that difficult to work out, if …

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CategoryEducation
SensitivityNormal - Content that is suitable for ages 16 and over
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