Inspired by Rachel Carson's "Silent Spring," documentary filmmaker Shukichi Koizumi, with the cooperation of Shunichi Wakatsuki, director of Nagano Prefecture's Saku General Hospital, a pioneer in rural medicine, made this documentary film that explores the effects of pesticides on the natural world and the human body. Director Koizumi founded the documentary film production company "Group Gendai" in 1967, the year he made this film, and has since produced and produced numerous documentaries.　

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Production and Crew