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Istanbul, Turkey – UNESCO World Heritage Site
#UNESCO #PatrimonioMundial #WorldHeritage #Welterbe #Philately #Filatelia #Sellos #Stamps #Timbres #Philatelie #Briefmarken #UNESCOWorldHeritage #Istanbul #BlueMosque #SultanahmetCamii #HagiaSophia #TopkapiPalace #TopkapiSarayi #BasilicaCistern #YerebatanSarnici #ChoraChurch #KariyeCamii

Took a few snaps in the #BasilicaCistern earlier today. Here's one.