﻿Plate 
  84. 
  — 
  Inca 
  sites 
  and 
  terrain. 
  Top: 
  Inty 
  Pata 
  dwarfed 
  by 
  the 
  great 
  slopes 
  

   of 
  the 
  forested 
  mountains. 
  The 
  expansion 
  of 
  the 
  agricultural 
  Inca 
  was 
  not 
  

   blocked 
  by 
  the 
  most 
  precipitous 
  terrain. 
  (Courtesy 
  Paul 
  Fejos.) 
  Bottom: 
  

   Pisac, 
  ancient 
  town 
  on 
  ridge 
  at 
  upper 
  right; 
  modern 
  town 
  lies 
  belovr. 
  (Courtesy 
  

   National 
  Geographic 
  Magazine.) 
  

  

  