29 October 2021, Rome Italy - Mayor of Roma Capitale, Dario Franceschini, Minister of Culture of Italy and FAO Director-General QU Dongyu unveil the Stele recalling the "Lex Spolitina". G20 Green Garden tree planting ceremony, (Caffarella Park, Ancient Appian Way). Holm oaks trees, donated by the Regione Lazio as part of the OSSIGENO (OXYGEN) project, are being planted in the Appia Antica Park's Sacred Wood. This gesture, on the occasion of the Italian Presidency of the G20, symbolizes the commitment of G20 members to build a sustainable future for People, Planet, Prosperity.