technological heritage, such as the stasis and medical technology which is used to keep the elite of the Olmecs in suspended animation until an opportunity to revive them arises, technology which is powered by what appears to be a geothermal power system. This power system is destroyed during an escape by the children and Mendoza, causing the Olmecs to conduct a frantic search for the fusion reactor core (the Great Treasure) which is hidden inside the City of Gold. They also possess a flying machine which appears to have been constructed with the same type of advanced technology which the Golden Condor was constructed with. It is armed with a particle beam or a focused heat weapon which is very powerful. Eventually, the Olmecs succeed, at great cost, in taking control of the Great Legacy. It begins to melt down without the moderation which is supposed to be provided by Tao's jar. The resulting earthquakes and volcanism destroy the City of Gold. A world-threatening meltdown is avoided by the personal sacrifice of Esteban's father who, acting as the High Priest of the Cities, is presumed to be dead after he replaces the jar. At the end of the series, Mendoza, Sancho and Pedro, who have salvaged some gold before the city's destruction, return to Spain, while Esteban and his friends set out across the Pacific Ocean on the golden condor in search of the remaining Cities of Gold. Characters The main cast of the series dubbed into American English, includes: () – An orphan who was rescued at sea as a baby ten years ago by the Spanish navigator Mendoza. He wears one of the two sun medallions. He dreams of adventure and is extremely impulsive. Esteban has a fear of heights which is exacerbated by the people of Barcelona who believe that he is the "Child of the Sun" and hoist him up high at the port to call out the sun to aid the departing ships. He joins the Spaniards on their search for one of The Seven Cities of Gold in the New World, hoping to find his father. () – The daughter of an Inca high priest. She was kidnapped from Peru five years ago, when she was seven, by the Spanish invaders and given as a present to the Queen of Spain for her daughter, Princess Margarita. She met Esteban when she was kidnapped by