Journalists gather near a Mona Lisa image by Leonardo da Vinci during a visit at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
The Last Supper by Leonardo da Vinci displayed at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
A journalist experiences the virtual reality performance during the visit of Leonardo da Vinci exhibition at the Louvre museum Sunday, Oct. 20, 2019, in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
The Incredulity of Saint Thomas by Leonardo da Vinci during a visit at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
"The Euclidean demonstration of the Pythagorean theorem" by Leonardo da Vinci displayed at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
A journalist studies Saint Jean Baptiste artwork by Leonardo da Vinci during a visit at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct. 24, 2019. (AP Photo)
Visitors stand next to Leonardo da Vinci exhibition at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
Artworks are displayed at the Leonardo da Vinci exhibition at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)
Artworks displayed at the Leonardo da Vinci exhibition at the Louvre museum Sunday, Oct. 20, 2019 in Paris. A unique group of artworks is displayed at the Louvre museum in addition to its collection of paintings and drawings by the Italian master. The exhibition opens to the public on Oct.24, 2019. (AP Photo)