[3] Remains of these past civilizations can be found in archeological sites such as Pánuco, Castillo de Teayo, El Zapotal, Las Higueras, Quiahuiztlán, El Tajín, Cempoala, Tres Zapotes and San Lorenzo Tenochtitlán .
[4] Chronology studies of archaeological sites in northern Veracruz show that the area has been occupied at least since 5600 B.C.
and show how nomadic hunters and gatherers eventually became sedentary farmers, building more complex societies, even before the rise of the city of El Tajín.
Some argue in favor of the Totonacs and the Xapaneca; however, there is a significant amount of evidence that the area was populated by the Huastec at the time some of these settlements were founded.
It controlled the flow of commodities, both exports such as vanilla and imports from other locations in what is now Mexico and Central America.
According to specialists, the architecture of the only remaining building is of Aztec filiation, although the village also had relationships with Toltec groups from the Mexican Plateau.
[10] It occupies an extension of over 75 hectares with more than 60 covered structures identified, the site is probably twice as large as El Tajin.
[11] A remarkable feature of this site is represented by a hydraulic system that apparently interconnected the structures of the city.