"Artist Christo Vladimirov Javacheff walks on his monumental installation ""The Floating Piers"" he created with late Jeanne-Claude, on June 16, 2016, during a press preview at the lake Iseo, northern Italy. Some 200,000 floating cubes create a 3-kilometers runway connecting the village of Sulzano to the small island of Monte Isola on the Iseo Lake for a 16-day outdoor installation opening on June 18. (Filippo Monteforte/AFP/Getty Images)"