ニューヨーク・タイムズのインスタグラム(nytimes) - 9月8日 10時56分

For years, fans of #tennis have been watching tennis balls blur back and forth. While tennis balls have changed little over the last few decades, the process of making them is a complex one. @wilsontennis has manufactured the balls for the @usopen since 1978. In any given year, the company cranks out 100 million balls, most of them made in Thailand. Over the course of the 14-day @usopen, from practice to play, Wilson says about 95,000 balls are used. On #nytassignment at the @wilsontennis factory outside of Bangkok, the photographer @amandamustard took a look at how they’re made. Visit the link in our profile to see more of her photos of the making of #???.

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