portal

And drew nigh to a spacious habitation built also with stones of crystal. Its walls too, as well as pavement, were _formed_ with stones of crystal, and crystal likewise was the ground. Its roof had the appearance of agitated stars and flashes of lightning; and among them were cherubim of fire in a stormy sky. A flame burned around its walls; and its portal blazed with fire. When I entered into this dwelling, it was hot as fire and cold as ice. No _trace_ of delight or of life was there. Terror overwhelmed me, and a fearful shaking seized me.