It took over 4 years of filming on location in the mountains of Brazil's pluvial forest to put together this exploration of nature's cycles. Rare images of the spider monkey, the frilled coquette hummingbird (Lophornis magnificus), the trapdoor spider, the royal atlantic flycatcher, and five different types of snakes illustrate the harmony of the environment, in all of its contrasts and intrinsic proportions.<%YOUTUBE=eKhnrdZMN3I%>