Keywords: Castle of Seven Towers Istanbul.png Castle of Seven Towers Istanbul Triumphal Arch of Constantine First Tower of the Pentagon First Marble Tower Second Marble Tower Angle of the Pentagon with the fallen Tower Double Tower Dedecagonal tower Square Tower of entrance to the Prison Round Tower falling to decay House of the Aga c Garden of the Aga's House Cemetery of the Martyrs Source The Mirror of Literature Amusement and Instruction Vol 10 No 285 December 1 1827 PD-old-70-1923 Istanbul in art Wood engravings book illustrations Yedikule Fortress Template artwork possible Uploads by Mattes from external sources de Bild Castle of Seven Towers Istanbul png |