now with the help of technological tricks we know what picasso has been hiding all these years. our athena jones has been -- >> picasso's paintings go for millions and millions of dollars these days, but it was the artist's early struggles when he was a poor bohemian that may have led to this great art mystery. ♪ >> there's more to this early masterpiece by pablo picasso than meets the eye. >> it's something that every curator in the back of their mind they think oh, maybe during my career i might have something spectacular happen like this. >> reporter: the blue room is considered one of the first of his so-called blue period worth tens of millions of dollars and if you turn it sideways and use an infrared camera to see underneath the acclaimed painting you will find a hidden surprise, a portrait of an unknown man wearing a jacket and