Photos

This is a HDR work.
Canon EF-S 10-22mm lens
10 mm
f:8

This picture made from three pictures.

This mosque was commissioned by Sultan Selim II and was built by Architect Sinan between the dates 1568-1574. This grand mosque stands at the centre of a kulliya which comprises a medrese, a dar-ul hadis, a timekeeper's room and an arasta (row of shops). In this mosque Sinan employed an octagonal supporting system that is created through eight pillars incised in a square shell of walls. The four semidomes at the corners of the square behind the arches that spring from the pillars, are intermediary sections between the huge encompassing dome and the walls. These pillars are related to the back walls through supporting arches that provide an ambulatory space in front of the encircling walls. This octagonal disposition of the supporting system and absid-like mihrab section recall the Church of Sergius and Bacchus in Istanbul. But the galleries of this church behind the pillars that create a second floor and the entrance mass (narthexes) are eliminated in Sinan's structure. Hence, the interior of the Selimiye contains a more illuminated and ample space. On the other hand, the absid is retained, for a mihrab placed on a shallow southern wall would prevent the fluidity of the ambulatory space encircling the breathtaking central hall below the dome.
quoted from : http://www.metu.edu.tr/home/wwwissch/ozgurey/edirne/selimiye.htm