The first Pi Day celebrations were held at the San Francisco Exploratorium when the now retired Larry Shaw decided the day was worth commemorating.

第一届pai节的庆祝活动是在旧金山的探索博物馆里举行，现已退休的Larry Shaw那时就觉得这个日子值得纪念。

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At the Exploratorium in San Francisco, children will gather around what's described as a Pi Day shrine to sing Pi Day songs and perform Pi Day rites.

NPR: National Pi Day Celebrates Math