Venice Biennale 2015

1. Venice Biennale 2015

2. A visitor walks through "Occupations/Discoveries," a brick walls, cement and paint installation by Brazilian artist Antonio Manuel at the Pavilion of Brazil in Venice, on May 6 during the press day of the 56th International Art Exhibition (Biennale d'Arte) titled "All the Worlds Future." (Gabriel Bouys/AFP/Getty Images)

3. A visitor looks at an untitled painting by Australian artist Fiona Hall at the Pavilion of Australia in Venice on May 6. (Gabriel Bouys/AFP/Getty Images)

4. Visitors walk around the installation 'Giardino dell'Eden' by Portuguese artist Joana Vasconcelos at the Swatch espace. The Venice Biennale entitled 'All the World's Futures' runs May 9 to November 22. (Maciej Kulczynski/EPA)

5. Visitors watch the 'Halka/Haiti 18°48'05'N 72°23'01'W', a panoramic film projection by C.T. Jasper and Joanna Malinowska in the Polish pavillon, May 7.

6. Visitors look at "Our Product" by artist Pamela Rosenkranz at the Pavilion of Switzerland in Venice on May 6, during the press day of the 56th International Art Exhibition (Biennale d'Arte) titled "All the Worlds Futures". (Gabriel Bouys/AFP/Getty Images)

7. A visitor looks at the installation by Italian artist Marzia Migliora in the Pavillion of Italy in Venice, May 7. (Andrea Merola/EPA)

8. A man watches the video installation "Factory of the Sun" by German artist Hito Steyerl presented at the pavilion of Germany on May 7 in Venice. (Gabriel Bouys/AFP/Getty Images)

9. Visitors admire one of the three mobiles trees, part of "Revolutions" by French artist Celeste Boursier-Mougenot at the French pavilion on May 5 in Venice. (Gabriel Bouys/AFP/Getty Images)

10. Thousands of keys hang in the Japanese pavilion part of Japanese artist Chiharu Shiota's installation 'The Key in the Hand' at the 56th Biennale of Arts in Venice, May 6. (Domenico Stinellis/Associated Press)

11. Visitors look at the "They Come to US without a Word' video installation by United States artist Joan Jonas inside the United States pavilion at the 2015 Biennale of Arts in Venice, May 7. (Domenico Stinellis/Associated Press)

12. A view of the installation 'Reisefieber' by Polish artist Dorota Nieznalska at the 'Dispossession' exhibition, an official collateral event of the 56th International Art Exhibition at the Palazzo Dona Brusa on Campo San Polo, in Venice, May 7.

13. A visitor takes pictures of the painting 'The Green Mirror' by British artist Chris Ofili on display with 'Bending Over Backwards for Justice and Peace', left, by the same author, at the 56th Biennale of Arts in Venice, May 7. (Domenico Stinellis/Associated Press)

14. Visitors watch the video-opera of British artist Peter Grennaway displayed in the Pavillion of Italy at the 56th International Art Exhibition in Venice, Italy, May 7. (Andres Merola/EPA)

15. A visitor looks at "Speculating on the Blue" an installation by Flaka Haliti at the Pavilion of the Republic of Kosovo in Venice on May 6 during the press day of the 56th International Art Exhibition (Biennale d'Arte) titled "All the Worlds Futures". (Gabriel Bouys/AFP/Getty Images)

16. The work 'Untitled Trumpet' by German artist Katharina Grosse is on display at the Corderie dell'Arsenale May 6. (Andres Merola/EPA)

17. A visitor looks at a creation by Russian artist Irina Nakhova presented at the Russia's pavilion on May 5 in Venice. (Gabriel Bouys/AFP/Getty Images)

18. A woman wears a yellow burqa during the artistic performance "High Visibility Burqa" in Venice on May 6, at the entrance of the 56th International Art Exhibition (Biennale d'Arte) titled "All the Worlds Futures". (Gabriel Bouys/AFP/Getty Images)

19. The installation 'Our Product' by Swiss artist Pamela Rosenkranz is on display in the Swiss pavillon on May 7. (Maciej Kulczynski/EPA)

20. A woman stands next to the artwork by Greek artist Jannis Kounellis displayed in the Italy Pavillion on May 7. (Andres Merola/EPA)

21. Polish Minister of Culture Malgorzata Omilanowska attends the 'Dispossession' exhibition, an official collateral event of the 56th International Art Exhibition at the Palazzo Dona Brusa on Campo San Polo, in Venice, May 7. (Maciej Kulczynski/EPA)

22. A visitor looks at "Paduli" by Italian artist Mimmo Paladino at the Pavilion of Italy in Venice on May 6. (Gabriel Bouys/AFP/Getty Images)

23. The Albanian Trilogy: A Series of Devious Stratagems, a project by Armando Lulaj, curated by Marco Scotini. at Albanian Pavilion on May 6 in Venice. ( Awakening/Getty Images)

24. Visitors walk past the installation 'The End' by Italian artist Fabio Mauri on display inside the Pavilion of the Nations in Venice, May 7. (Maciej Kulczynski/EPA)

25. A visitor walks on glass ceiling at the pavilion of Russia on May 5 in Venice. (Gabriel Bouys/AFP/Getty Images)

26. Visitors look at the 9,216 LCD panels of the 'The portrait of Sakip Sabanci' installation by Turkish artist Kutlug Ataman, May 7. (Domenico Stinellis/Associated Press)

27. A boat transports an inflatable cactus on Venice's laguna during the 56th International Art Exhibition (Biennale d'Arte) on May 6. (Gabriel Bouys/AFP/Getty Images)

28. The artworks 'Untitled' by German artist Georg Baselitz are on display at the Corderie dell'Arsenale on May 6. (Andrea Merola/EPA)

29. A woman uses her mobile phone during the 56th Biennale of Arts in Venice on May 7. (Domenico Stinellis/Associated Press)

30. A visitor looks at "Luzzara" by Italian artist Claudio Parmiggiani at the Pavilion of Italy in Venice on May 6. (Gabriel Bouys/AFP/Getty Images)

31. Actress Cate Blanchett looks at artworks by Australian artist Fiona Hall on display during the inauguration of the Australian pavilion at the 56th Biennale of Arts in Venice, May 5. (Domenico Stinellis/Associated Press)