Spain celebrates the rediscovery of two significant manuscripts by Leonardo da Vinci, the Madrid I and II codices, which were found in 1967 after being unnoticed for over a century. These manuscripts contain detailed studies on mechanics and engineering, showcasing Leonardo's intellectual process. They are considered exceptional pieces of documentary heritage and have facilitated worldwide access through a digitisation project launched in 2012. Teljes cikk (Euronews.com)