Highlights Of Sotheby's Giants Of 20th Century Art Sale

LONDON, ENGLAND - JANUARY 28: Art handlers hang Tete De Femme by Pablo Picasso which is up for auction for an estimated GBP 16,000,000 to 20,000,000 at Sotheby's on January 28, 2016 in London, England. The sale which is being held on the February 3 is showcasing Impressionist, Modern, Surrealist, and Contemporary Art. (Photo by Ben Pruchnie/Getty Images)