People stand in front of the painting “The Painter and His Model” from 1963 by Spanish artist Pablo Picasso at the exhibition “Picasso and the Spanish Modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. The exhibition is open to the public from March 25 to June 8. (Photo by Paulo Whitaker/Reuters)

People stand in front of the painting “The Paintor and the Model” from 1963 by Spanish artist Pablo Picasso at the exhibition “Picasso and the Spanish modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

A person walks in front of the painting “Figure and Bird in the Night” from 1945 by Spanish artist Joan Miro at the exhibition “Picasso and the Spanish modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

A visitor views the painting “Butterflies Lost in the Mountains” by Spanish artist Oscar Dominguez at the “Picasso and the Spanish Modernity” exhibition at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

A person walks in front of the painting “Portrait of Gata with Turban” from 1939 by Spanish artist Salvador Dali at the exhibition “Picasso and the Spanish Modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

A person views the painting “Horse Head, sketch for Guernica” from 1937 by Spanish artist Pablo Picasso at the exhibition “Picasso and the Spanish Modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

People pass by the painting “Reclining Figure II” from 1936 by Spanish artist Julio Gonzalez at the exhibition “Picasso and the Spanish Modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

People aim flashlights at a projected image of “Guernica” from 1937 by Spanish artist Pablo Picasso at the exhibition “Picasso and the Spanish Modernity” at Centro Cultural Banco do Brazil in Sao Paulo March 25, 2015. (Photo by Paulo Whitaker/Reuters)

A security guard is silhouetted in front of (L-R) “Portrait of the collector Alexander Korovin” (L), “Self Portraits” (Harlequin and Piero) and "Violinist”, by Russian-born artists Boris Grigoriev, Vasily Shukhaev and Alexander Yakovlev respectively, during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A man takes pictures next to “Bath-House” by Russian-born artist Zinaida Serebryakova during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. Malaga's branch is the first branch outside Russia and is located in the Tabacalera building, a former tobacco factory. (Photo by Jon Nazca/Reuters)

Russian State Museum's vice director Eugenia Petrova talks to journalists next to “Mirror” by Russian-born artist Marc Chagall during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A man stands next to the icon of “St. Lazarus the friend of God” during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman takes pictures next to “Portrait of the writer Varvara Lizogub” by Russian-born artist Vasily Tropinin during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman takes pictures of “Construction” by Russian-born artist Alexander Rodchenko during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman takes pictures in between “Composition with white border” (L) and “Construction” by Russian-born artists Kasimir Malevich and Alexander Rodchenko during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

Men look at “Composition with white border” by Russian-born artist Wassily Kandinsky during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman stands next to “Boyar's daughter” by Russian-born artist Nikolai Nevrev during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A man stands next to “Kissing ritual” by Russian-born artist Konstantin Makovsky during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman looks at “The death of Ines de Castro, morganatic wife of Don Pedro, Infant of Portugal” by Russian-born artist Karl Bryullov during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A woman runs next to a painting by Russian-born artist Alexander Bubnov during an international press tour of the Malaga branch of the State Museum of Russian Art of St Petersburg, a day before its inauguration in Malaga, southern Spain March 24, 2015. (Photo by Jon Nazca/Reuters)

A gallery staff member views Postcard Flag (Union Jack) by Tony Cragg, one of the works on display in Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. Yorkshire Sculpture Parks latest exhibition brings together the work of over 40 influential artists gathered mainly from the Arts Council Collection. “Making It: Sculpture in Britain 1977-1986” is the first exhibition to survey the era in British sculpture when a talented UK generation of artists began to receive international attention. The exhibition at the Longdale Gallery is open from 1 April – 21 June 2015. (Photo by Christopher Furlong/Getty Images)

A detail of George and the Dragon, 1988 by Tony Cragg, one of the works on display at Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. (Photo by Christopher Furlong/Getty Images)

A gallery staff member views Untitled (Diving Figure) by Antony Gormley, one of the works on display at in Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. (Photo by Christopher Furlong/Getty Images)

Fleeting Monument (1985) by artist Cornelia Parker, one of the works on display at Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. (Photo by Christopher Furlong/Getty Images)

A gallery staff member walks past Fleeting Monument (1985) by artist Cornelia Parker, one of the works on display at Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. (Photo by Christopher Furlong/Getty Images)

A detail of Fifteen Holes 1981 by Nicholas Pope, one of the works on display at Yorkshire Sculpture Parks Longside Gallery as part of the “Making It: Sculpture in Britain 1977-1986” exhibition on March 27, 2015 in Barnsley, England. (Photo by Christopher Furlong/Getty Images)

A woman stands in front of Andy Warhol's “Superman”, which is expected to fetch USD $6-8 million at a pre-auction viewing at Sotheby's in Los Angeles, California March 25, 2015. (Photo by Lucy Nicholson/Reuters)