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Tomioka Silk Mill, Japan – UNESCO World Heritage Sites
#UNESCO #PatrimonioMundial #WorldHeritage #Welterbe #Philately #Filatelia #Sellos #Stamps #Timbres #Philatelie #Briefmarken #UNESCOWorldHeritage #Tomioka #TomiokaSilkMill #Gunma #富岡製糸場 #群馬県 #富岡市 #富岡