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Jungfrau Aletsch, Switzerland – UNESCO World Heritage Sites
#UNESCO #PatrimonioMundial #WorldHeritage #Welterbe #Philately #Filatelia #Sellos #Stamps #Timbres #Philatelie #Briefmarken #UNESCOWorldHeritage #Jungfrau #Aletsch #Bietschhorn #Eiger #Finsteraarhorn #Lauteraarhorn #Grünhorn