Hagia Sophia is a great architectural beauty and an important monument for Byzantine ans Ottoman Empires. Once a church later a mosque, and now a museum at the turkist republic. This monument was built between 532 an 537 in byzantine stayle and later it has been undergone successive renovations.
Te original model comes from: https://3dwarehouse.sketchup.com/model/a4aa212ac3b0cbaf38011e704b6406f9/Hagia-Sophia-Istanbul-Turkey