﻿PRINi 
  

  

  \ 
  Northeastern 
  c 
  

  

  2 
  Gobi 
  Desert 
  Rt 
  

  

  3 
  Loess 
  Region 
  

  

  4 
  Middle 
  China 
  

  

  N 
  o 
  

  

  