Don Melicio Perez was in January 1942 when the river went back to base camp Manapiare that after a few years the face of people took the name of San Juan; if Don Melicio, we ask, did this time by plane, either entered the Valley in the west, coming from Puerto Ayacucho, either by the North, entered from Caicara del Orinoco, and by the South, from North Esmeralda Franco watching over the row of bunkers that will leave De la Fuente, a lieutenant of Solano, then founded the present capital of the Alto Orinoco Municipality in the middle of the eighteenth century not marvel how the famous explorer?, sighting in almost all of that wonderful valley of a million acres, the most fertile and best located in Amazonas State, other domain of Yabarana, today seat of Piaroas multiethnic and multicultural, Guahibos, Macos, Bars, Maquiritares and Venezuelans, all come from the ends of the country, and even Colombian and several Italian entrepreneurs; doomed at the very idea of sustainable development, to make this fertile and beautiful valley, in addition to the barn of the Amazon, its most important tourist center. With the always well remembered Development Commission South Manapiare met from 1969 to late 1973, an era of economic and population growth.