A picture of corals, part of an art projection featuring images of humanity and climate change artistically rendered by Obscura Digital, is projected onto the facade of St. Peter's Basilica, as part of an installation entitled “Fiat Lux: Illuminating our Common Home” as a gift to Pope Francis on the opening day of the Extraordinary Jubilee, at the Vatican, December 8, 2015. (Photo by Stefano Rellandini/Reuters)
