finland, helsinki, uspenski cathedral travel landmark

vector illustration landmark nordic architecture eastern orthodox red brick exterior blue dome religious history christian faith spectacular views iconic landmarks national heritage site and culture spiritual significance devotional art intricate mosaics impeccable craftsmanship decorative gold accents russian influence multidenominational city diversity cathedral tours celebrations finnishrussian relations cathedrals historical events architectural marvels ornate interior traditional icons stunning frescoes iconography symbolic depictions sacred space bell towers ambiance aweinspiring structure place of worship harmony ornamental details impressive construction timeless beauty aesthetic appeal pilgrimage