An excavated and preserved section of the imperial palace . Part of the 1969 excavations in the imperial palace . In the foreground are traces of late fifthcentury or early sixth-century Roman-Germanic structures cut into the courtyard floor near the foundations of the portico. In the background a Mediaeval house is built of re-used brick over the remains of the portico wall. of Sirmium which occurred during the siege of the Avars. Minor objects from the level above- apparently a Mediaeval leveling fill- show that life in this area was clearly interrupted at the end of the sixth or very beginning of the seventh century, only to be restored when Mediaeval houses were 87