English: View of the Basilica Cistern, Istanbul, Turkey. The Basilica Cistern, or Cisterna Basilica is the largest of several hundred ancient cisterns that lie beneath the city. This subterranean cistern was called Basilica because it was located under a large public square, the Stoa Basilica, on the First Hill of Constantinople. The cistern, built in the 6th century during the reign of Byzantine emperor Justinian I, provided a water filtration system for the Great Palace of Constantinople and other buildings on the First Hill, and continued to provide water to the Topkapı Palace after the Ottoman conquest in 1453 and into modern times. Today it is kept with little water, for public access inside the space.
العربية: منظر ل Basilica Cistern، اسطنبول، تركيا. يعد Basilica Cistern أو Cisterna Basilica الأكبر من بين عدة مئات من الصهاريج القديمة التي تقع أسفل المدينة. سُميت هذه الصهريج الجوفية باسم بازيليكا لأنها كانت تقع تحت ساحة عامة كبيرة، تُسمى بازيليكا ستوا، على التلال السبعة لإسطنبول|التل الأول للقسطنطينية]]. تم بناء الصهريج في القرن السادس في عهد الإمبراطور جستنيان الأول، وقد وفر نظام تنقية المياه لقصر القسطنطينية الكبير والمباني الأخرى على التل الأول، واستمر في توفير المياه. المياه إلى قصر توبكابي بعد الفتح العثماني عام 1453 وحتى العصر الحديث. اليوم يتم الاحتفاظ به مع القليل من الماء، لوصول الجمهور داخل الفضاء.
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