Nesterov was one of Empress Alexandra's favorite painters, his picture of the Annuciation hung in the Mauve Room. He worked for Grand Duchess Elizabeth in her Martha and Mary convent in Moscow. Here's a bio.
Mosaic of Constantine XI and Zoe in Hagia Sophia
Here's a page dedicated to the famous mosaic of the beautiful Zoe the Porphyrogenita and her third husband Constanine the money bags form the upper gallery.
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