fountain in front of brown concrete building under cloudy sky during daytime

Zen zeee

Ibrahim Uzun

brown concrete building under blue sky during daytime

Hagia Sophia, Istanbul Turkey.  One of the greatest existing examples of Byzantine architecture.  It was the largest cathedral in the world for 1000 years.  It was also a Mosque for 500 years and now is a museum.

Lewis J Goetz

Ayasofya Hagia Sophia basilica at night Istanbul

Raimond Klavins

Interior of Ayasofya Hagia Sophia Istanbul Constantinople Christian patriarchal basilica

Fatih Yürür

white and black concrete building during daytime

The famous Hagia Sophia from the sea side. Photo from 2008.

Mark König

Abdullah Öğük

brown and white concrete building under blue sky during daytime

Hagia sophia