Art historians studying a painting by Pablo Picasso have uncovered the mysterious portrait of a woman, hidden beneath its surface.

A portrait of a mystery woman was found beneath Pablo Picasso's "Portrait of Mateu Fernández de Soto" by the Courtauld Institute of Art in London.

X-ray and infrared imaging has revealed a long-hidden painting beneath "Portrait of Mateu Fernández de Soto," providing researchers with new insights into the artist's blue period

Nearly 125 years after Pablo Picasso painted one portrait, high-tech imaging tools have revealed a secret — another, earlier portrait concealed beneath.

A mystery woman, long concealed beneath a work from Picasso's early Blue Period, has been uncovered by researchers, shedding new light on the artist’s creative process. View on euronews

Conservators at London's Courtauld Institute used x-ray and infrared images to reveal the previously unseen works