Pre-Inca Origin of Machu Picchu - Who truly built the oldest foundations of the site - the Inca or a Pre-Inca civilization? | Universe Inside You

The Inca civilization flourished in the Andes of South America, where treacherous mountains and deep gorges presented significant challenges to travel and communication. To connect their vast empire, the Incas pioneered the construction of suspension bridges made from woven ichu grass. These bridges were crucial for the movement of armies, traders, and messengers across the harsh landscapes. The construction process involved local communities, who were tasked under the mita labor system to build