﻿Plate 
  1. 
  — 
  The 
  Peruvian 
  High 
  Andes. 
  

  

  velica. 
  (Courtesy 
  James 
  Sawders.) 
  

   Grace 
  Line.) 
  

  

  Top: 
  Snow-covered 
  pass 
  near 
  Huanca- 
  

   Bottom: 
  A 
  Highland 
  trail. 
  (Courtesy 
  

  

  