Christo - Stage name of the Bulgarian sculptor Christo Javachev (Gabrovo 1935 - New York 2020). He studied in Sofia, Prague and Vienna. Arriving in Paris in 1958, he joined the Nouveau réalisme group; in 1964 he moved to New York. In association with his wife Jeanne-Claude Denat de Guillebon, he is considered one of the most significant exponents of land art and is known in particular for his projects and executions of "packings" of famous public buildings The Gates, Central Park, New York, 2004-05). In 2011, after decades of waiting, he obtained the authorization to carry out the ambitious covering of the Arkansas River, in the Rocky Mountains (Colorado): the project, which should have been completed by August 2014 but has undergone numerous interruptions due to legal disputes, provides for the preparation of cables and poles in the area to support a structure of silver tents, for a total length of 62 km. In 2016 the artist designed The floating piers on Lake Iseo, an installation consisting of a temporary pier which for 16 days, from 18 June to 3 July 2016, connected Sulzano to the islands of Montisola and San Paolo, attracting over a million of visitors, while from 19 June to 9 September 2018 C. set up The London Mastaba in the Serpentine lake of Hyde Park in London, a large floating structure made up of 7506 colored barrels resting on a platform of plastic cubes. In 2021 the work conceived by the artist in the 1960s for the covering of the Arc de Triomphe in Paris was created posthumously