russia, altai krai barnaul, pokrovsky , cathedral travel landmark

vector illustration landmark altai krai barnaul pokrovsky cathedral russian culture eastern orthodox church religious tourism iconography architecture golden domes historical landmarks cultural heritage christianity byzantine art spiritual centers iconoclasm arrks theology catholicism divine liturgy sacred music icons beefs festivals artistic traditions iconoclastic controversies mural syncretism crosses paintings education feast days the iconostasis sacraments revivals rural churches holidays christian beliefs landscape worship history doctrine contributions