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The spotlight is on goya, also known as the bitter gourd. A star of Okinawa Prefecture, the summer vegetable is now grown across Japan. But that's only in the last 20 years or so! See all the varieties an Okinawan farmer's market has to offer, and others that a local research center is developing for nationwide consumption. Learn why farmers in Gunma Prefecture have switched to goya in recent years, and how local high schoolers are working hard to promote consumption through economical "green curtains."
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