The movie was adapted by Emilio Fernández[?], John Steinbeck and Jack Wagner[?] from the novel by Steinbeck. It was directed by Fernández.
... the world by volume, the Parana[?] with its impressive Iguaçu[?] falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] rivers. Situated along th ...