blue mosque minaret

ahmet ancient antique architect architecture art asia asian beauty blue building buildings byzantine church constantinopol constantinopole courtyard curves dome east europe european exterior garden grass green historic historical history holiday holy islam islamic istanbul lawn marble mehmed middle minaret monument monumental mosque muslim old ottoman outdoors outside palm park people persian pillar pray prayer religion religions religious sacred sight sky spire spiritual square steeple sultan sultanahmet sultunahmet summer tourism touristic travel travelling tree turkey turkish vacation wisdom worship