Taj Mausoleum, Octagonal mortuary hall, interior, wall detail: The hall has the form of a perfect octagon to a side, with two tiers of two radiating niches. The niches are framed, and the room encircled, by inlaid inscriptions from the Quran. The dados display carved flower vases framed by pietra dura inlay, and corner colonnettes are carved with plant motifs springing from pots with overhanging leaves - evoking paradisical bloom.