View of the "Parthenon of Books" by Argentinian artist Marta Minujin, at the Documenta 14 art exhibition in Kassel on June 2, 2017. The Parthenon of books, a full-scale replica of the temple on the Acropolis, is made up with some 100.000 copies of banned books donated from the public, as well as publishers and institutions. Documenta 14 takes place from April 8 to July 16 in Atens, and from 10 june to September 17 in Kassel. / AFP PHOTO / John MACDOUGALL / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION