Visitors walk past "Shape Shifter" (L) art works by artists Jennifer Allora & Guillermo Calzadilla during the International Contemporary Art Fair (FIAC) at the Grand Palais in Paris October 23, 2013. The International Contemporary Art Fair (FIAC) will run from October 24 to 27 in the French capital. REUTERS/Benoit Tessier (FRANCE - Tags: SOCIETY BUSINESS) 

- PHOTO TAKEN 08JUN05 - A performer reads a newspaper on the back of a mud sculpture of a hippopotamus, created by Puerto Rico-based artists Jennifer Allora and Guillermo Calzadilla, at the arts Biennale in Venice June 8, 2005. The arts festival is open to the public from June 12 - November 6. 

A performer reads a newspaper on the back of a mud sculpture of a hippopotamus, created by Puerto Rico-based artists Jennifer Allora and Guillermo Calzadilla, at the arts Biennale in Venice June 8, 2005. The arts festival is open to the public from June 12 - November 6. 

A performer reads a newspaper on the back of a mud sculpture of a hippopotamus, created by Puerto Rico-based artists Jennifer Allora and Guillermo Calzadilla, at the arts Biennale in Venice June 8, 2005. The arts festival is open to the public from June 12 - November 6. REUTERS/Chris Helgren ODLY Pictures of the Month June 2005 HIGHEST QUALITY AVAILABLE 

A performer reads a newspaper on the back of a mud sculpture of a hippopotamus, created by Puerto Rico-based artists Jennifer Allora and Guillermo Calzadilla, at the arts Biennale in Venice June 8, 2005. The arts festival is open to the public from June 12 - November 6. REUTERS/Chris Helgren ODLY CLH/CN