In this video, Eliasson describes "Beauty," part of a large one-artist exhibition at the Museum of Modern Art in New York and SF MOMA in 2008, The MOMA.org Interactive Exhibitions: Take Your Time: Olafur Eliasson (2008), website, offers extensive video and photographic documentation of Eliasson's installations in the exhibition (including this video), and is highly recommended.

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"As we move around on space, the degree of the rainbow changes, if we don't look the degree would also not be there, so there would be no rainbow." Olafur Eliasson

" [...] (the rainbow) it would not be here if we were not here, as anything else in a museum." OE

Quotations from the Documentary "Art Now: Olafur Eliasson" which documents the artist's major solo exhibition, Notion Motion, at the Boijmans van Beuningen museum in Rotterdam.

Picture credit: http://theluckycharm.files.wordpress.com/2009/06/15_sfmoma_eliasson_beau...