architecture berlin building church eastern germany idyllic oriental ornamental ornaments orthodox pray religion religious roofs rural russian sky spire steeple tower Armenian Armenian-Orthodox art art-history artistic-style Christian-art composition conventional depiction description descriptive devotional distinctive Eastern-Orthodox-Church eikon elements faith gold highly-stylized icon iconography ikon illustration image interpretative liturgical Oriental-Orthodoxy painted painting religious-devotion Sacred style stylistic symbolic symbolism symbols veneration εἰκών bulbous spire cathedral churches cupola dome east East Europe eastern Europe golden kiev mass onion-domed Russia service ukraine