spaso-preobrazhensky the solovetsky stavropegial monastery with worship the cross in the bay of well-being on the bolshoy solovets

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