How can we celebrate our planet? An evening full of events at the MRSN! - 6.00 p.m.: presentation of the book Il Meraviglioso Mondo Naturale (The Wonderful Natural World) by Guido Bertoni, a collection of tempera and watercolour plates on the natural world - 6.30 p.m.: Earth Day. Protecting the Earth... safeguarding its rights, the Carabinieri Foresteri talk about their role in protecting the environment, ecosystems, biodiversity and thus the Earth - 7.30 p.m.: Concert for the Earth, singer Olga from Madagascar performs some of the most iconic songs, accompanied by engaging rhythms.