Ireland, County Mayo, Modern recreation of a stone circle known as 'Deirbhle's Twist' on the North Mayo Sculpture Trail.

Ireland, County Cork, Drombeg, Drombeg Stone Circle.

Ireland, County Cork, Drombeg, Drombeg Stone Circle.

Estonia, Tallinn, Orthodox Cathedral of Alexander Nevsky, Toompea.

Estonia, Tallinn, Parliament of Estonia, part of Toompea Castle, Lossi Plats.

Estonia, Tallinn, Orthodox Cathedral of Alexander Nevsky, Toompea.

Russia, St Petersburg, Iconostasis door, Church on Spilled Blood, also Church of the Saviour on Spilled Blood.

Russia, St Petersburg, The Winter Palace, Hermitage Museum, from Palace Square.

Russia, St Petersburg, The Winter Palace, Hermitage Museum, from Palace Square.

Germany, Mecklenburg-Vorpommern, Rostock, Building in Kropeliner Strasse.

Germany, Mecklenburg-Vorpommern, Rostock, Building in Kropeliner Strasse.

Italy, Campania, Naples, Ceiling of Chiesa Del Gesu Nuovo, Piazza Del Gesu Nuovo.