The Mysterious Cities of Gold, originally released in Japan as and released in France as Les Mystérieuses Cités d'Or, is an animated series which was co-produced by DiC Audiovisuel and Studio Pierrot. Set in 1532, the series follows the adventures of a young Spanish boy named Esteban who joins a voyage to the New World in search of the lost Seven Cities of Gold and his father. The series was originally broadcast in Japan and the French version, edited with different characterization and music, was subsequently redubbed and distributed in many countries. It is currently licensed for English-language home video release in the United Kingdom, Australia, and North America by Fabulous Films. Opening narration It is the 16th century. From all over Europe, great ships sail west to conquer the New World, the Americas. The men, eager to seek their fortune, to find new adventures in new lands. They long to cross uncharted seas and discover unknown countries, to find secret gold on a mountain trail high in the Andes. They dream of following the path of the setting sun that leads to El Dorado and the Mysterious Cities of Gold. Plot In 1532, a Spanish orphan named Esteban joins Mendoza, a navigator, and his associates Sancho and Pedro, in their search for one of the Seven Cities of Gold in the New World, hoping to find his father. They are joined on their quest by Zia, an Incan girl (who was kidnapped by Gomez, Gaspard, Perez and Mendoza), and Tao, the last descendant of the sunken empire of Mu (Hiva in the English dub). The series is a mix of ancient South American history, archaeology, and science fiction. During their journey, the travelers encounter the Mayas, Incas, and Olmecs. They discover many lost technological wonders of the Mu Empire, including a solar-powered ship (the Solaris) and The Golden Condor, a huge solar-powered ornithopter (mechanical bird), capable of traveling considerable distances under the sun's power alone. They are constantly pursued by antagonists Gomez and Gaspard, who are also in search of the Cities of Gold. The Seven Cities of Gold were built by the Emperor of Hiva out of fear that a global war would destroy all civilizations. Such a war actually broke out, destroying the Empires of Mu and Atlantis when they used the "Weapons of the Sun". The Seven Cities of Gold hold copies of books in their