The road, sometimes paved in modern reproduced ... trimming the grass from a score of Inca terraces, using machetes. Above loomed a complex of gray stone houses, Winaywayna (translated from ...

The road demonstrates the incredible skill of Roman engineers who paved it with stone formed from lava ... Qhapaq Ñan, also ...

You also suggest as does one other questioner that lubricating a road bed might have played a part in moving Inca stones and I'm fairly sure that's true. Unfortunately today we have very little ...