Guardians of the Forest: Deep in the Colombian Amazon, Yucuna indians stand dressed in traditional tribal attire for the Baile del Muñeco, or puppet dance, a celebration of the abundance of the Chontaduro fruit. While traditional indigenous customs are fast being lost throughout the Amazon jungle, here, far down the Caqueta river and few miles from the Brazilian border, traditions are still very much intact. The costumes are still made entirely from natural materials, predominantly tree bark, during this three day festival. (© Piers Calvert/National Geographic Photo Contest)

Guardians of the Forest: Deep in the Colombian Amazon, Yucuna indians stand dressed in traditional tribal attire for the Baile del Muñeco, or puppet dance, a celebration of the abundance of the Chontaduro fruit. While traditional indigenous customs are fast being lost throughout the Amazon jungle, here, far down the Caqueta river and few miles from the Brazilian border, traditions are still very much intact. The costumes are still made entirely from natural materials, predominantly tree bark, during this three day festival. (© Piers Calvert/National Geographic Photo Contest)