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Okamura Hideto, mayor of Ōbu city, with four Rio Olympic medalists in women’s wrestling at the press conference calling for the use of recycled medals at the 2020 Tokyo games. (Photo courtesy of Committee for Cooperation on Urban Mine Medals)
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Shredded and sorted scraps containing gold, silver, and bronze. (Photo courtesy of Re-Tem Corp.)
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A mother and daughter look at how a medal is made from recycled material at the booth of Environment Rodorigues during an environmental event on October 8, 2016, in Minato, Tokyo.