details of ancient indian architecture. the carved columns and openwork arches

column architecture arch temple carving building facade wall art history palace details ancient indian carved columns openwork arches sandstone close-up red fort agra india india vaulted architecture vault openwork shape stone carving pavilion royalty asian islamic islam stone ornate frame pillared ornamental carved decorative pillar colonnade heritage columns column carvings arches sandstone decoration detail decorative elements fort agra landmark red unesco traditional arch palace indian asia historic heritage building culture famous old ancient