Two Angels in Apses
It is possible to see many different mosaics which depict the angels however one of the most famous mosaics in terms of the angels is located on the arch of the apse. You can see Gabriel on the right side of the arch while you can see Mikhael mosaic on the left side of the arch. Today, it is only possible to see the some of the feet and edge of the wing of Mikhael depict while you can see the most parts of Gabriel. These mosaics in Hagia Sophia are dated back to the second half of the 9th century.