UNESCO decided Saturday to add to the World Heritage list two tumulus clusters in western Japan, which represent an ancient burial system and the hierarchy of society at the time.The decision came at a meeting of the World Heritage Committee of the the U.N. Educational, Scientific and Cultural Organization in the Azerbaijani capital of Baku.The sites, comprised of 49 tombs in Osaka Prefecture and collectively called Mozu-Furuichi tumulus clusters, include the country's largest keyhole-shaped mound named after Emperor Nintoku, who is said to have reigned in the fourth century.The Emperor Nin…READ FULL ARTICLE