Neo-Byzantine architecture was a revival movement, most frequently seen in religious, institutional and public buildings. It incorporates elements of the Byzantine style associated with Eastern and Orthodox Christian architecture dating from the 5th through 11th centuries, notably that of Constantinople and the Exarchate of Ravenna.
Alexander Nevsky Cathedral, Sofia, by Alexander Pomerantsev
Naval Cathedral of Saint Nicholas in Kronstadt, by Vasily Kosyakov
Holy Resurrection Cathedral in Chiyoda, Tokyo, by Josiah Conder
Naval Cathedral, Kronstadt
Konstantin Andreyevich Thon, also spelled Ton was an official architect of Imperial Russia during the reign of Nicholas I. His major works include the Cathedral of Christ the Saviour, the Grand Kremlin Palace and the Kremlin Armoury in Moscow.
Russia-Moscow-Cathedral of Christ the Saviour in 1902
Annunciation church in St. Petersburg (1843–49).