https://unescowhstamps.blogspot.com
Sardona, Switzerland – UNESCO World Heritage Site
#UNESCO #PatrimonioMundial #WorldHeritage #Welterbe #Philately #Filatelia #Sellos #Stamps #Timbres #Philatelie #Briefmarken #UNESCOWorldHeritage #Sardona #GlarnerHauptüberschiebung #PizSardona #Surenstock #SanktGallen #Glaris
#GlarnerHaupt%C3%BCberschiebung
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