/venue/index.html The Copernic Building Address: 5 boulevard Descartes, 77420 Champs-sur-Marne. The Copernic building on Open Street Map. Amphithéâtre Maurice Gross The talks of the GT DAAL annual meeting will take place in Amphithéâtre Maurice Gross. It is located on the ground floor of the Copernic Building, on the left. Salle de séminaire du LIGM The P-ACTS seminar will take place in the seminar room (“salle de séminaire”) of the LIGM. It is the room 4B125, located on the 4th (and topmost) floor of the Copernic building. Hugo en-us