The next day in the five-million acre Pacaya-Samiria National Reserve, the sun burned bright, giving an electric glow to the throbbing canopy where parakeets swooped, sloths napped and tamarind and red howler monkeys played.

BBC: Taming the heart of the Peruvian Amazon

In the cracks between the stones, there is here and there an eerie, electric green glow.

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