Leonardo da Vinci’s Mona Lisa is the most famous painting in the world. But now come new claims that da Vinci may have painted a second version of his immortal masterpiece – and it could be worth half a billion dollars. TODAY senior international correspondent Keir Simmons reports.Dec. 17, 2019
UP NEXT
What makes life worth living? Yale professor shares how to find joy
04:36
Barges get stuck on Kentucky dam after breaking from tugboat
00:29
Walking 10,000 steps daily is a 'fabricated’ goal, doctor says
02:49
Young pilot guided back to runway after losing landing gear
04:00
Judge in Murdaugh trial speaks out for first time since verdict
02:29
Adnan Syed’s conviction reinstated: Will he return to prison?