[Yes, I can see how it seems an off hand remark, it did get overwhelmed by the descriptions of the intricate paintings/carvings with the spheres. and I oversimplified it. so here it is.]<br/><br/>A mist-filled stone archway lies at the end of the wide hall of colored spheres. Three large stones are embedded in the arch. Each has a different hue— olive on the lower left, russet at the top of the arch, and citron on the lower right.