merrikstryfe: did-you-kno:The ‘Twelve-Angle Stone’ is part of a 14th-century stone wall built by t
merrikstryfe: did-you-kno: The ‘Twelve-Angle Stone’ is part of a 14th-century stone wall built by the Inca. It fits perfectly between the surrounding stones, which are cut with such precision that they were put together without using mortar. Source World’s oldest documented kludge. -- source link