en Cuevana 3. It is with an old bus an about thirty snakes that Franz Florez struggles for the preservation of nature in Colombia, one of the most environmentally diverse country in the world. His snakes are his pass to enter the deep jungle, where guerrillas fight the regular army and where narco-traffickers meet coca growers. Facing the threat of the industrial exploitation of these preserved areas, he tries to gather support among the population, including the armed actors.