The first time Rob Decker visited a national park, he was 6.

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A pediatrician in Colorado examines young children newly separated from their parents and shares her observations with CNN. She says that while their physical condition was fine, emotionally "they were the opposite of stable."

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He may have just turned 76, but Paul McCartney is clearly not ready to retire.

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Leaning out of a helicopter's open door, 500 feet above the ground, David Kennedy is treated to bird's eye views of immense sand dunes and lava fields strewn with giant black domes and boulders. Among these natural wonders are mysterious triangular constructions, a beautifully preserved ghost town and elaborate ancient tombs -- the archaeological treasures which Saudi Arabia hopes will earn it a place on the heritage tourism map.

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Naked women in pools of green liquid, strange looking plants, and text written in an unknown alphabet; they can all be found on the delicate parchment pages of a mysterious manuscript from the 15th century. And nobody knows what any of it means.

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