Iraq unveiled three monumental sculptures in the ancient city of Hatra Thursday, newly restored after being vandalised by militants of the Islamic State group during their brief but brutal rule.The jihadists released video footage in 2015 of their orgy of destruction at Hatra in which they took guns and pickaxes to the once extensive remains of what was one of the leading trade entrepots between the Roman and Parthian empires in the first and second centuries AD.