AX AXCIHXT SIC.XAL STATION OX MACIIU 



Photo by 111 

 I'ICCllU MOUNTAIX 



On the very summit of one of the most stupendous precipices the Incas constructed a 

 sisnal station from which the approach of an enemy could be instantly communicated to the 

 city below Bv looking verv carofullv the terraced walls of this signal station may be seen 

 ju'^t below the'figurcs who arc standing on an artihcial platform (see pages 44-' ^md 433)- 



441 



