 Round spiral staircase of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Upper rotunda on colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Snowy roofs from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Smokes at sunset from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Area of Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Snowy roofs and smokes from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Granite columns of upper rotunda of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 City Hall (Mariinsky Palace) behind Isaakievskaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, January 8, 2016
 Saint Isaac Cathedral from Voznesenskaya Prospect. Saint Petersburg, Russia, November 19, 2016
 St. Isaac Cathedral at morning. Saint Petersburg, Russia, December 22, 2016
 St. Isaac Cathedral from Blue Bridge. Saint Petersburg, Russia, December 17, 2016
 Admiralty and Peter and Paul Cathedral from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 South-west pediment of St. Isaac Cathedral. Saint Petersburg, Russia, December 17, 2016
 North-east pediment of St. Isaac Cathedral. Saint Petersburg, Russia, December 17, 2016
 St. Isaac Cathedral and Nicholas I monument from Blue Bridge. Saint Petersburg, Russia, December 17, 2016
 Bolshaya Podyacheskaya Street and St. Isaac Cathedral from Fontanka River. Saint Petersburg, Russia, July 21, 2016
 St. Isaac Cathedral, Astoria Hotel and Nicholas I monument from Blue Bridge. Saint Petersburg, Russia, December 17, 2016
 Sculpture of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Ceiling of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Arches of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Interior of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Ceiling of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Interior of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Ceiling of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Ceiling of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Interior of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Saint Isaac Cathedral at evening. Saint Petersburg, Russia, February 8, 2013
 Interior of Saint Isaac Cathedral. Saint Petersburg, Russia, December 15, 2005
 Vauils of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Interior of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Painted plafond of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Altar like structure of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Decorated plafond of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Interior of Saint Isaac Cathedral, a dome. Saint Petersburg, Russia, December 15, 2005
 Dome interior of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Interior of Saint Isaac Cathedral, a vault. Saint Petersburg, Russia, December 15, 2005
 Podyacheskaya Street and Saint Isaac Cathedral. Saint Petersburg, Russia, August 6, 2004
 Altar like corner of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Sea Port from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Gilded icon of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Old city from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 Plafond of dome of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Round dome of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Chimneys from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 Admiralteysky Prospect from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Sea Port (on horizon) from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Trinity Church from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Circular stairs from the colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, December 19, 2005
 Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Massive carved doors of Saint Isaac Cathedral. Saint Petersburg, Russia, June 26, 2009
 Neva River and University from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Sea Port on horizon from colonnade of Saint Isaac Cathedral at evening. Saint Petersburg, Russia, August 23, 2007
 Admiralty and Kunstcamera museum from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Church of Savior on Blood from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 Houses near Admiralteysky Prospect from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 Houses in direction of Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, August 23, 2007
 City Hall (Mariinsky Palace) from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, August 23, 2007
 Roofs in direction of Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 Old houses in direction of Dvortsovaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 17, 2004
 Dome of Saint Isaac Cathedral, zoomed. A dove sculpture represents the Holy Spirit. Saint Petersburg, Russia, July 4, 2003
 Interior of a dome of Saint Isaac Cathedral, with a sculpted dove representing the Holy Spirit. Saint Petersburg, Russia, December 15, 2005
 Roofs of old houses and sea port at horizon, view from colonnade of Saint Isaac Cathedral at evening. Saint Petersburg, Russia, December 19, 2005
 City Hall (Mariinsky Palace) behind Isaakievskaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, July 4, 2003
 City Hall (Mariinsky Palace) behind Isaakievskaya Square from colonnade of Saint Isaac Cathedral. Saint Petersburg, Russia, August 23, 2007
 Dome of Saint Isaac Cathedral, a former place of Foucault pendulum (now replaced by a dove sculpture). Saint Petersburg, Russia, July 4, 2003
 Old houses and Church of Savior on Blood at horizon, view from colonnade of Saint Isaac Cathedral at evening. Saint Petersburg, Russia, December 19, 2005
 Back entrance of Hermitage museum, with Atlante s feet in foreground and Saint Isaac Cathedral in background. Saint Petersburg, Russia, July 22, 2005
 Neva River and red and white buildings of the Twelve Collegiums of Petersburg University, view from colonnade of Saint Isaac Cathedral at evening. Saint Petersburg, Russia, December 19, 2005
 Grand staircase in Mikhaylovsky Castle. Saint Petersburg, Russia, January 3, 2016
 Grand staircase of Russian Museum. Saint Petersburg, Russia, January 8, 2016
 Gallery over Main Staircase in Hermitage Museum. Saint Petersburg, Russia, January 2, 2016
 Looking down from a spiral curved staircase inside Education City Mosque. Doha, Qatar, June 28, 2016
 Spiral curved staircase inside Education City Mosque. Doha, Qatar, June 28, 2016
 Interior of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, January 3, 2016
 Interior of a blue dome of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, January 3, 2016
 St. George ribbons on a gate of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, January 3, 2016
 St. Isaac Square at morning. Saint Petersburg, Russia, December 22, 2016
 Lights of St. Isaac Square at morning. Saint Petersburg, Russia, December 22, 2016
 Mariyinsky Palace from St. Isaac Square. Saint Petersburg, Russia, December 22, 2016
 Main staircase in Hermitage Museum. Saint Petersburg, Russia, November 16, 2016
 Christmas tree on St. Isaac Square at morning. Saint Petersburg, Russia, December 22, 2016
 View from main staircase in Hermitage Museum. Saint Petersburg, Russia, November 16, 2016
 Marble staircase in Stieglitz Museum of Applied Arts. Saint Petersburg, Russia, November 18, 2016
 Circular iron staircase of Grand Choral Synagogue. Saint Petersburg, Russia, November 6, 2016
 Landing of grand staircase in Stieglitz Museum of Applied Arts. Saint Petersburg, Russia, November 18, 2016
 Cast iron spiral staircase in Old State Capitol. Baton Rouge, Louisiana, September 30, 2006
 A spiral cast iron staircase in Old State Capitol. Baton Rouge, Louisiana, September 30, 2006
 Interior of Andreevsky Cathedral (Cathedral of Saint Apostle Andrei, St. Andrew) in Vasilievsky Ostrov. Saint Petersburg, Russia, July 25, 2005
 Interior of the Andreevsky Cathedral (Cathedral of Saint Apostle Andrei) in Vasilievsky Ostrov neighborhood. Saint Petersburg, Russia, August 2, 2004
 Grand staircase of Bienkovsky Mansion in Zakhodskoe, 50 miles north from Saint Petersburg. Leningrad Region, Russia, August 7, 2016
 Chandelier of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, August 1, 2016
 Vaults of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, August 1, 2016
 Chandelier of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, October 29, 2016
 Interior of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, October 29, 2016
 Entrance of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, October 29, 2016
 Ceiling of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, October 29, 2016
 Interior of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, August 1, 2016
 Ceiling of Naval Cathedral of Saint Nicholas in Kronstadt. Saint Petersburg, Russia, August 1, 2016
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