Visiting the Basilica Cistern Hidden Underground - Istanbul - Turkey
La Citerne Basilique, aussi connue sous le nom turc Yerebatan Sarnıcı, est une gigantesque citerne souterraine de Constantinople, la capitale de l'Empire byzantin, dont elle est l'un des monuments les plus spectaculaires encore visibles aujourd'hui à Istanbul.
The Basilica Cistern is the largest of several hundred ancient cisterns beneath the city that provided a water filtration system for the buildings nearby. This underground chamber measures approximately 138 meters (453 ft) by 64.6 meters (212 ft) and is capable of holding 80,000 cubic meters (2,800,000 cu ft) of water. The ceiling is supported by 336 marble columns.
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