Iraqi-American artist Michael Rakowitz poses in front of his sculpture "The Invisible Enemy Should Not Exist" standing on the Fourth Plinth in Trafalgar Square in London on March 28, 2018 after it was unveiled. - The sculpture, made from 10,500 empty date syrup cans, is a recreation of a first-millenium-BC Lamassu, a winged bull and protective deity, that stood at the entrance to Nergal Gate of Nineveh and was destoryed by the Islamic State group in 2015. (Photo by Tolga AKMEN / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION
Iraqi-American artist Michael Rakowitz poses in front of his sculpture 'The Invisible Enemy Should Not Exist' in Trafalgar Square in London. AFP

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