2025-10-172025-11-172025-10-172025-11-17https://openaccess.ircica.org/handle/123456789/266875 black and white negativesAvasköy Aqueduct-İstanbulAqueducts-İstanbulHalkalı Water System-İstanbulWater transmission lines-İstanbulAvasköy Kemeri (Karakemer, Tekkemer, Yılanlıkemer)Photograph