coloniallaborhistoryhistoricalmemoryJapanwartimehistoryKoreaJapanrelationsKoreanforcedlaborSadominecontroversyUNESCOreviewUNESCOWorldHeritageWorldHeritageCommittee 21 Sep 2026 Why UNESCO Says Japan’s Sado Mine Forced-Labor Account Remains Incomplete Japan is facing renewed scrutiny over how it presents the wartime history of Korean workers at th…