Machu Picchu
by Kenneth R. Wright, Alfredo Valencia Zegarra, Ruth M. Wright, Gordon, Ph.D. Mcewan
Popularity 2
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IncasAntiquitiesCivil engineeringPeruHydraulic engineeringMachu Picchu SiteAmerican history: pre-Columbian period, BCE to c 1500South American archaeologyStructural engineeringc 1000 CE to c 1500Civil Engineering (General)Hydraulic Engineering (General)