Peru_Mar232015_0424
The real testament to the craftsmanship of Inca stonecutting and engineering of buildings is the fact that after so many centuries, so much of Machu Picchu walls and buildings are still standing – even though this is historically a region rocked by earthquakes. In this image, you see how slabs were notched and fitted together so snugly that nothing like concrete, cement or adobe was even needed. Machu Picchu, Peru.