French artist Abraham Poincheval (R) sits on real chicken eggs until they hatch during a performance at the Palais de Tokyo on March 29, 2017 in Paris. Poincheval is supposed to sit on eggs for 26 days. The artist made headlines worldwide when the two halves of the rock closed around him on February 22, 2017 at Paris's Palais de Tokyo art museum. / AFP PHOTO / STEPHANE DE SAKUTIN / RESTRICTED TO EDITORIAL USE - MANDATORY MENTION OF THE ARTIST UPON PUBLICATION - TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION (Photo credit should read STEPHANE DE SAKUTIN/AFP/Getty Images)
