View along eastern side of Sierra with sandstone & limestone stratified precipices and snow-covered peaks. Frailejon "ferns" with soft velvet leaves in foreground

Dawn along the eastern side of the Sierra with Frailejon "ferns" growing on ground close to Lagune del Pato Duck Lake Snow peaks of Sierra in distance

View across harshly weathered limestone karst-like plateau large crevices where calcite weathered out. Frailejon "ferns" and Sierra peaks in distance.

The climb up to Boqueron del Castillo with a hiker carrying a backpack Sierra Nevada de Cocuy