Exca?­va?­tions have uncovered a 12th-century structure under part of the Palais de Justice.
Experts believe the building excavated under the Palais de Justice was a church.
mnli hypothesis: Experts believe the building excavated under the Palais de Justice was a church. premise: Exca?­va?­tions have uncovered a 12th-century structure under part of the Palais de Justice.