2. Basic ideas A lot of arcs of half point. Was in the XI century and the XII century. IncludedtheCarolingian and theOctonide art. Wasaftertheromans, butbeforethegotics.
3. The pillar composite prismatic core. The arch. Cover and barrel vault ceiling. Thearchitectonicelements
4. Architectonicselements II Polygonal dome on tubes. The semicircular apses in a Latin cross in churches Verydesarrollatedcontreforts.