Scientists discover secret artwork under Picasso's painting
Scientists have discovered a secret artwork hidden underneath the visible surface of Spanish artist Pablo Picasso's 'La MisÃ©reuse accroupie' painting, also known as 'The Crouching Beggar'. The hidden artwork behind the painting was a landscape image of Barcelona. The researchers used the non-invasive 'X-ray fluorescent spectroscopy' technique to analyse the painting. 