HISTORIA PERIODISMO VISUAL
Greg Whitmore, who is leaving his job as Observer picture editor, looks back at the photos that made the news during his quarter century at the paper. March 1997 The first published picture of Dolly the cloned sheep, at the Roslin Institute near Edinburgh, revealed exclusively in the Observer. Photograph: Murdo MacLeod/The Observer Fuente: https://www.theguardian.com/media/gallery/2020/dec/20/25-years-of-news-photography-from-the-death-of-diana-to-covid-19