A gold and silver mine site recommended by the Japanese government for UNESCO World Heritage but opposed by South Korea will not be considered for inclusion in the 2023 list after the U.N. agency found the application was incomplete, officials said Thursday.Japanese education minister Shinsuke Suematsu said the situation is "difficult" after the U.N. Educational, Scientific and Cultural Organization chose not to forward the recommendation for the mine on Niigata Prefecture's Sado Island to its advisory body by the deadline for review for next year's registration.The mine is regarded as one …READ FULL ARTICLE