by Sara Hussein Agence France-Presse SADO, Japan (AFP) — Under a split-top mountain on the Japanese island of Sado lies a network of centuries-old mines that have sparked a new diplomatic row with South Korea. Some of the gold and silver mines of Sado, off Japan’s west coast, are believed to have started operating as early as the 12th century and produced until after World War II. Japan believes that lengthy history and the artisanal […]