Japan is commemorating workers who died at the Sado Island Gold Mines, a UNESCO World Heritage site with a controversial past. Hundreds of Koreans were subjected to forced labor there during World War II. While the ceremony aims to honour “all workers,” critics argue Japan is downplaying the suffering of Korean labourers. Japan is commemorating workers who died at the Sado Island Gold Mines, a UNESCO World Heritage site with a controversial past. Hundreds of Koreans were subjected to forced labor there during World War II. While the ceremony aims to honour “all workers,” critics argue Japan is downplaying the suffering of Korean labourers. Economic Times