Blue Mosque, the Ottoman Sultan in the years 1609-1616 Ahmed in the historical peninsula of Istanbul Mimar Sedefkar was built by Mehmet Aga.  Mosque blue, because it is decorated with green and white Iznik tiles and the inside of the half-dome and large dome the Europeans mainly because it is decorated with blue pen still works “Blue mosque (Blue mosque)”
The most important aspect of the counts into consideration in terms of architectural and artistic structures, more than 20,000 is decorated with Iznik tiles.  These tiles are used in traditional floral motifs in yellow and shades of blue decorations, the structure has moved just more than a place of worship. The worship of the mosque is 64 x 72 meters in size. The diameter of the central dome is 43 meters high, 23.5 meters. The interior of the mosque is illuminated with more than 200 colored glass.  Article written by Sayyid Kasm Gubari Diyarbakir. It creates a complex with surrounding structures and Blue Mosque, the first mosque in Turkey with six minarets.
Hayale benzeyen bir kuşdur/Uçar biteviye
maviye boğulan semalarında.
Al bir yakut taşır, ak kanatlarında
Zümrüt kubbeler atar kıyılarına
Ilık bir buse olup konar sonra yanaklarımıza,
adı tılsım kokan;
Although the exact date of its construction has been lost in history, the Valens Aqueduct, also known as the Hadrianus Aqueduct, is a legacy of the Late Roman and Early Byzantine era. Over the centuries, the structure fell into disrepair and eventually to ruins, until the conquest of the city, when it was restored in order to deploy its original function: namely, to distribute water in periods of regional shortage.
It is believed that when first constructed; the aqueduct was more than 1 kilometers in length. Over the years, additions have been made, although the point at which the structure was given its Turkish name “Bozdoğan” is unknown. Today, the preponderance of the once sprawling aqueduct has largely been destroyed, with the notable exception of the remains found on the Saraçhane Atatürk Boulevard.
In 1988, the Municipality of Istanbul decided to restore this piece of history which also bears witness to Ottoman design. Being the oldest aqueduct in İstanbul, Valens has served the city for more than 15 centuries as its most important water source.