On Monday, December 13, 2021, at 6 pm, Rector Antonella Polimeni and Director General Simonetta Ranalli lit the Main Campus's Christmas tree at the Piazzale Aldo Moro entrance.  Students, academic and technical-administrative staff participated. The ceremony, inaugurated for the first time in 2020, is an opportunity for the Sapienza community to share the values of the end-of-year celebrations.