Long-lost artwork found hidden inside the walls of art museum

Experts confirm they've recovered a masterpiece stolen nearly a quarter century ago.
2:23 | 01/18/20

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Transcript for Long-lost artwork found hidden inside the walls of art museum
Experts confirming they've recovered a masterpiece stolen nearly a quarter century ago but the discovery is now leading to a lot more questions. ABC's lama Hasan joins us from our London bureau with the latest on that. Lama, good morning. Reporter: Yeah, this was a remarkable discovery straight out of a art heist movie. More than 25 years ago gustav klimt's "Portrait of a lady" was reportedly stolen, a gardener found it hidden behind the walls of the place where it was taken from. And experts say it is the real deal. This morning, Italian prosecutors revealing one of the art world's most intriguing mysteries solved. Gustav klimt's "Portrait of a lady" worth a whopping $66 million finally found. It's almost like a scene from a movie. and just like John Mctiernan's heist film, "The Thomas crown affair," the painting may have never left the museum. the prosecutor saying the painting is one of klimt's most famous pieces stolen from a gallery in northern Italy more than 20 years ago, and it was discovered here. A gardener clearing away ivy noticing a small paneled door last December. Behind it lay the masterpiece hidden in a plastic bag in the external wall of the very same gallery it was stolen from. After carrying out extensive noninvasive tests and using high-tech x-rays, art experts confirming its authenticity. The paining flanked by two policemen and under guard. But the investigations are far from over. But not all heists have a happy ending. On St. Patrick's day in 1990 one of the most expensive art heights in history estimated at $500 million took place. 13 masterpieces were stolen from the Gardner museum in Boston and are yet to be recovered. In 2016, the iconic soup can prints by Andy Warhol were lifted from the Springfield art museum in Missouri, still, no luck on its whereabouts. Yes, the mystery of this heist may have been solved but there are still so many questions like who stole it? Well, Italian police are now investigating and taking a look at the traces on the canvas to try to piece together whodunnit. Eva. Good question. Why it was left in place for

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