The Valens Aqueduct built by the Romans and towering over the modern city of Istanbul, Turkey in the springtime on a sunny day.

- Image ID: W6D4TE
The Valens Aqueduct built by the Romans and towering over the modern city of Istanbul, Turkey in the springtime on a sunny day.
Michael Honegger / Alamy Stock Photo
Image ID: W6D4TE
Location: Istanbul, Turkey