Repetition seems to be an important part of Architecture in many parts of the Islamic world. Be it mineretes, or domes and chemmnies as seen here in the Istanbul skyline.

These photos were taken in Istandbul in 2015 overlooking the golden horn.

Lights and windows inside the Blue Mosque

Lights inside the Hogia Sophia.

The ceiling of a palace in Turkey.

Ornate window work.
All photos taken with a Canon Eos Digital Rebel.