they used cement and made the worlds largest incan road system
The Incas built a large road network, known as the Inca road system or Qhapaq Ñan, to facilitate communication, trade, and the movement of troops throughout their vast empire. This network, spanning over 20,000 miles, played a crucial role in the administration and control of the Inca Empire.
About 970 road miles.
About 106 road miles.
About 705 road miles.
About 1,020 road miles.
About 915 road miles.
About 1,080 road miles.
The driving distance is 197 road miles.
The distance is 484 road miles.
About 680 road miles.
About 440 road miles.