Here's s page of wonderful images of the great mosaic icon of Christ in the upper gallery of Hagia Sophia - otherwise known as Saint Sophia.
Vestibule Mosaic of Constantine and Justinian
Everone when visits Hagia Sophia as a tourist today enters from the vestibule on the south side of the building. Here was discovered a beautiful mosaic.
Imperial Bedroom
Portrait Hall
Mauve Room
Maple Room
Aleksey's Bedroom
Nicholas's Study
Aleksey's Playroom
Formal Reception
Balcony View
Aleksey- Balcony
Children-Mauve
Nicholas's Bathroom
Alexandra- Mauve
Nicholas's Reception
Tsarskoe Selo Map