The aqueducts and cisterns of Constantinople made up the most extensive water supply system in ancient history. This video - shot on location in Istanbul - explores the Basilica Cistern, the Binbirdirek Cistern, and the Aqueduct of Valens. For more, check out my travel channel @scenicroutestothepast

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Chapters:
0:00 Aqueduct of Valens
1:00 Cisterns of Constantinople
1:42 Basilica Cistern
3:33 Binbirdirek Cistern