The hubbub about a calamity occurring comes from a Mayan stone carving called monument 6, made in 700 A.D.

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But the cultural relics police were not so amused when Carey laid down on top of an ancient stone carving.

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Raised in Austin, Texas, both Simon and Nikolai worked at their father's stone-carving business and furniture company every summer.

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It really is like a puzzle, based on the shape of the rock and any carving on the stone.

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Mr Duncan starts with a Stone Age astronomer who observed the phases of the moon, and marked them by carving notches on an eagle's bone.

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