view of the spaso-preobrazhensky solovetsky stavropegial monastery on the big solovetsky island from the white sea. arkhangelsk re

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