Chichen Itza
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 		Chitchen Itza is one of the largest and most famous of the ruins in the Yucatan. The Castillo shown here occupies a central position.
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 		An Ancient Observatory at Chichen Itza .
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 		The ball court at Chichen Itza. The Maya played for keeps - the losing team was beheaded.
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 		Skull house at Chichen Itza. This is where they tossed the heads of the losing team.