The sides of the atrium are unfortunately occupied by plain ungainly buildings five storeys in height, awkwardly accommodating themselves to the upward slope of the ground.
There are likewise two pulmonary veins, entering the left atrium by one orifice.
The pharynx projects freely into the atrium; it is surrounded at the sides and below by the continuous atrial cavity, but dorsally it is held in position in two ways.
Of which are covered with a rich mosaic representing the Ascension; St Demetrius, which is probably older than the time of Justinian, consists of a long nave and two side aisles, each terminating eastward in an atrium the full height of the nave, in a style not known to occur in any other church.
From the spoils of the war he constructed the first public library at Rome, in the Atrium Libertatis, also erected by him (Pliny, Nat.