street photography  sokak fotoğrafçılığı  ancient history  antik tarih  constantinople  fatih  istanbul  unkapanı  roman period  roma dönemi  bozdoğan kemeri  unkapanı su kemeri  valens aqueduct  julius valens augustus  

Street photo work and a view of sepia monochrome Valens Aqueduct in Fatih District of Şehr-i Istanbul, Turkey (Turkish: Sokak fotoğraf çalışması ve sepya monokrom Bozdoğan Kemeri veya Unkapanı Su Kemeri'nin bir görüntüsü).

The Valens Aqueduct (Turkish: Bozdoğan Kemeri or Unkapanı Su Kemeri, meaning Aqueduct of the grey falcon; Greek: Ἀγωγός του ὕδατος, Agōgós tou hýdatos, meaning simply Aqueduct) is a Roman aqueduct which was the major water-providing system of the Eastern Roman capital of Constantinople. The wonder historic structure was completed by Roman Emperor Julius Valens Augustus (328 – 9 August 378) in the late 4th century AD, it was restored by several Ottoman Sultans, and also one of the most important landmarks of Mega City Istanbul.