Aguirre, the Wrath of God. English version.

In 1560, several score of Spanish conquistadors, and a hundred Indian slaves, march down from the newly conquered Inca Empire in the Andes mountains into the jungles to the east, in search of the fabled country of El Dorado. Under the command of Gonzalo Pizarro (Alejandro Repullés), the men, clad in half armor, pull cannons down narrow mountainous paths and through dense, muddy jungle. On New Year’s Eve, reaching the end of his supplies and unable to go on without more information, Pizarro orders a group of forty men to scout ahead by raft down river. If they do not return to the main party within one week with news of what lies beyond, they will be considered lost. Using a minimalist approach to the story and dialogue, the film creates a vision of madness and folly, counterpointed by the lush but unforgiving Amazonian jungle.