Karl Answer: The megalithic stonework of the Incas is ... In fact, the one thing you will never find in an Inca stone wall is a square corner, a straight line or a flat plain, unless it is by ...

Inca builders constructed the so-called Chincana by digging a ditch, lining it with stone walls and covering it with beams and ceiling. According to IFL Science, researchers say these dug-out ...