the colors are dependent on which chemicals are in the rocks.
Marble Caves in Chile
Quiet on Lago General Carrera Chile. Photo #22 by Ricardo Alfaro
Caves, Canyons, Glaciers, Caverns, Icebergs
Reserva Nacional Cavernas de Marmol - Lago General Carrera Cavernas de Marmol - Patagonia Chilena
I'm Leaving On a Jet Plane........
Marble Cathedral, Patagonia, Chile
oh the places you'll go