spaso-preobrazhensky the solovetsky stavropegial monastery on bolshoi solovetsky island in the white sea. arkhangelsk region,

15th ancient archipelago architecture arkhangelsk attraction bay big blessing bolshoi cathedral century christianity day domes duomo famous heritage island landmark list male monastery oblast orthodoxy pilgrimage popular poselok preobrazhensky reflection region religion russia saviour sea settlement solovetskiy solovetsky spasopreobrazhensky stavropegial sunny tourism towers unesco walls water wellbeing white world