A visit to the former Inca Empire reveals epic feats of construction and engineering that have withstood the test of time, ...
The circuit breaks down into four sub-routes, with varying options like a summit of Machu Picchu Mountain or access to the Inca Bridge or Inti Punku Gate (or Sun Gate, the traditional entry point ...
the Inca needed roads. When the landscape proved too inhospitable for stone, they used straw, constructing beautiful bridges like the Keshwa Chaca bridge – which is still in use today.