Early Christian architecture, ancient Romanesque style, stone structure, ornate carvings, grandiose entrance, high ceilings, stained glass windows, intricate mosaics, Byzantine influences, domed roofs, arches, columns, frescoes, sacred symbols, biblical scenes, apostles, saints, marble floors, ornate pulpits, grand altarpieces, solemn atmosphere, warm lighting, soft shadows, high contrast, detailed textures.