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orig cnn fit nation tower running_00024201
orig cnn fit nation tower running_00024201

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    For pro stair climber, sky's the limit

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For pro stair climber, sky's the limit

Lisa Zeigel discovered the sport of stair climbing over a decade ago. Now at age 57, she's one of the best in the world.

For pro stair climber, sky's the limit

Lisa Zeigel discovered the sport of stair climbing over a decade ago. Now at age 57, she's one of the best in the world.