Over three hundred of them are scattered across Costa Rica, but we’ll never know why – the people who made them back in 1,000 C.E. are long gone and had no written records.
Over three hundred of them are scattered across Costa Rica, but we’ll never know why – the people who made them back in 1, 000 C.E. are long gone and had no written records.
3
在哥斯达黎加的 迪奎斯三角洲和卡诺岛发现的无数个直径从几厘米到6.6英尺的完美的石球。
They appear to be flawlessly round, ranging in size from just a few centimeters to over 6.6 feet in diameter, and are found all over the Diquis Delta and Isla de Cano in Costa Rica.
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