These stones were cut with such precision that the Incas did not need to make use of mortar to hold their buildings together .
Inca architecture makes use of large stone blocks , each one cut specifically to fit around the other blocks in a wall .
These stones were cut with such precision that the Inca did not need to make use of mortar to hold Inca 's buildings together .
Inca architecture makes use of large stone blocks , each one cut specifically to fit around the other blocks in a wall .