Courtesy of Leika Hansen.
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Japan Customs
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JOSH EDELSON
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JAXA/Takara Tomy/Sony Group Corporation/Doshisha University; NASA/GSFC/Arizona State University; Business Insider
A centuries-old tradition ended in 2024 due to Japan's aging population and decline in birth rates. The Somin-sai was one of the three major Hadaka Matsuri, or "Naked Festivals," held in the country as an annual rite of purification.