Which one, Boğaziçi University or Basilica Cistern, was built in the 6th century during the reign of Byzantine Emperor Justinian I?
Boğaziçi University: Boğaziçi University (also known as Bosphorus University, Turkish: "Boğaziçi Üniversitesi" , "Boğaziçi" literally meaning Bosphorus in Turkish) is a major research university located on the European side of the Bosphorus strait in Istanbul, Turkey. Basilica Cistern: The Basilica Cistern (Turkish: "Yerebatan Sarnıcı – "Cistern Sinking Into Ground"" ), is the largest of several hundred ancient cisterns that lie beneath the city of Istanbul (formerly Constantinople), Turkey. Basilica Cistern:  The cistern, located 500 ft southwest of the Hagia Sophia on the historical peninsula of Sarayburnu, was built in the 6th century during the reign of Byzantine Emperor Justinian I.
The Basilica Cistern