Next to the courts, there is a basketball court, a jungle gym and a giant trampoline.

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Playground accidents, for example, often are the result of a sequence of events, such as climbing too high on a jungle gym.

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Fearful of his safety, the teacher wouldn't let him on the play-yard jungle gym and instead kept him close by and away from the other kids.

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It is refreshing to hear the story of a woman who climbed the corporate ladder (she likes to refer to it not as a ladder, but a jungle gym, which I think is a wonderful metaphor).

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It is with this relatabiltiy that Ms. Sandberg can reach beyond boundaries of age, success level, and gender to include all of those who have the privilege of playing on the jungle gym of corporations, academia, and government.

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Amini went to the school, signed a waiver releasing the school of liability if her son got hurt and then the two spent evenings and weekends learning the playground, including safe ways to navigate the jungle gym and the location of a tree stump that had sharp edges.

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