Nature 2   Image 4-1 Cripple Creek   Image 4-2 Machu Picchu, Peru   Image 4-3 Alpaca Image 4-4 Germany   Image 4-5 Garden of the Gods   Image 4-6 Crystal Reservoir Image 4-7 Stingray at Xel Ha   Image 4-8 Rampart Reservoir   Image 4-9 Crystal reservoir