Yoshihisa Omori (L), owner of Japan's largest legal marijuana farm, harvests marijuana plants to extract the hemp fiber that is often used in traditional Japanese clothes and accessories, at his farm in Kanuma, Tochigi prefecture, Japan July 5, 2016. REUTERS/Issei Kato

Yoshihisa Omori (L), owner of Japan’s largest legal marijuana farm, harvests marijuana plants to extract the hemp fiber that is often used in traditional Japanese clothes and accessories, at his farm in Kanuma, Tochigi prefecture, Japan July 5, 2016. REUTERS/Issei Kato

Yoshihisa Omori (L), owner of Japan's largest legal marijuana farm, harvests marijuana plants to extract the hemp fiber that is often used in traditional Japanese clothes and accessories, at his farm in Kanuma, Tochigi prefecture, Japan July 5, 2016. REUTERS/Issei Kato

July 7, 2016 4:32 PM (UTC+8)