What roads were built by the empire of Incas? : The curious fact from history of an ancient civilization

So it turned out that for the average Russian South America — rather expensive tourist direction. Therefore we a little and know about these edges that generally from informative transfers and articles. Here many also think that South America — it only the jungle, Amazon, beaches of Brazil and the forgotten cities of Incas among the dense woods. But it appears that the forgotten cities of Incas — not the only large-scale sights which have remained up to now. The Inca civilization left behind still the interesting and not especially studied objects of material culture. It is a question about...