• pd1
  • pd2
  • pd3
  • pd4
  • pd5
  • pd6
  • pd7
  • pd8
  • pd9
  • pd10
  • pd11
  • pd12
  • pd13
  • pd14
  • pd15
  • pd16
  • There are petrographs on the darker rock. Can you see them?
  • pd19
1