Watch Rivers of the Sun (1970) : Full Movie Online Free Equator: "Rivers of the Sun" The mighty Amazon River is the lifeblood of the jungle. For half a year, freshwater fish flourish in floodwaters that rise among the trees and then, as the waters retreat, these fish face a six-month drought. The enduring Amazon is both a time capsule for ancient animals and a hothouse for the evolution of new species.