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The balls were most likely made by the ancestors of native peoples who lived in the region at the time of the Spanish conquest. These people spoke Chibchan languages, related to those of indigenous peoples from eastern Honduras to northern Colombia. Their modern descendants include the Boruca, Téribe, and Guaymí. These cultures lived in dispersed settlements, few of which were larger than about 2000 people. These people lived off of fishing and hunting, as well as agriculture. They cultivated maize, manioc, beans, squash, pejibaye palm, papaya, pineapple, avocado, chile peppers, cacao, and many other fruits, root crops, and medicinal plants. They lived in houses that were typically round in shape, with foundations made of rounded river cobbles.
Originally posted by beastamerica
very interesting TC.
even if this is man made (which i doubt), you have to wonder what's the reason and motive behind these ballz.
These spheres, numbering over three hundred, are perfectly round and weigh sixteen tons.
Originally posted by stikkinikki
Maybe they are ball bearings for giant pyramid making machines. Maybe there is a function that we havent discovered yet.
A few years ago I saw a cable program where people investigated these and had an artist recreate one within a week.
Originally posted by Trash can
What about a stone age man creating one in a week? I think there is enough evidence that these balls were made a long time ago by some advanced civilization.
Originally posted by Trash can
I believe they were made by either a very advanced civilization or aliens.
The vast majority the balls are made of a granodiorite that outcrops in the lower Terraba River. Quintanilla has located the raw material source and some boulders that may be unfinished balls. In her excavations, she also found flakes from the balls that suggested a method of manufacture. The stone from which they are made, when heated and then rapidly cooled (as with fire and cold water), exfoliates in thin, onion-like layers. Done repeatedly, this technique could have been used to shape boulders into their near-perfect sphericity. After this, they were polished to a high luster with ground stone tools.