Ceremony marks 60 years since Niigata Minamata disease recognition
https://www.japantimes.co.jp/news/2025/06/01/japan/niigata-minamata-disease-60-years/
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disease marks recognition Minamata since years
https://www.japantimes.co.jp/news/2025/06/01/japan/niigata-minamata-disease-60-years/ Ceremony 60 Niigata