This handout picture taken on April 1, 2015 and released by the National Gallery of Australia in Canberra shows visitors on a tour of the National Gallery of Australia in which they all had to be naked. Art lovers stripped off and got naked for nude tours, a concept designed to remove the material barrier between artist and audience where the first adults-only tour attracted about 50 people after-hours on April 1, 2015 to view a show by American artist James Turrell: A Retrospective, exploring the American’s love of light and landscape. AFP PHOTO / CHRISTO CROCKER / NATIONAL GALLERY OF AUSTRALIA

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