Japan will hold a memorial ceremony near the Sado Island Gold Mines, which were listed this summer as a UNESCO World Heritage ...

The 16th-century mines on the island of Sado, off Japan’s north-central coast, operated for nearly 400 years before closing in 1989 and were once the world’s largest gold producer.

The Associated Press explains the Sado mines, their history and the controversy. The 16th century mines on the island of Sado, about the size of the Pacific island of Guam, off the western coast ...