The Basilica Cistern, or Yerebatan Sarayı (“sunken palace” in Turkish), is the largest covered cistern in Istanbul City. When I entered the cistern, I could not believe it: the place is enormous! At 140 m x 70 m, it could hold 80,000 cubic meters of water. It is supported by 336 columns and many carp and goldfish swim around the base of these columns.
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