Easter Island archaeology project digs up island's secrets

"“We found over 500 stone tools. The statues were carved with different types, big heavy picks and finer basalt and obsidian tools to finish details,” she explained. Other tools were used to rub surfaces and burnish the statues. Van Tilburg found evidence of post holes as well, big enough for a tree trunk, and rope guides carved in some statues to elevate them into standing position.
But the intent of the giant sculptures, their reason for being, is still not totally clear.

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