Karen and a Stone Sphere

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J. Stephen Conn on May 9, 2011

One of the most interesting things we saw in Costa Rica were the stone spheres. About 300 of these mysterious polished orbs have been discovered in Costa Rica beginning in the 1930s, however they are believed to have been carved between 200 BC and 1600 AD. Several examples of The stone spheres are on display at the National Museum.

The spheres come in all sizes, from a few centimeters to more than two meters in diameter. The largest weigh as much as 16 tons. Many different theories abound as to whether the stone balls are man-made or a natural phenomenon. It is the mystery or their origin that that I found most intriguing.

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  • Uploaded on May 9, 2011
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    by J. Stephen Conn