For centuries, art historians have debated over the landscape in Leonardo da Vinci's "Mona Lisa." But the geologist and Italian Renaissance scholar, Ann Pizzorusso ...

For centuries, art historians have debated over the landscape in Leonardo da Vinci's "Mona Lisa." But the geologist and Italian Renaissance scholar, Ann Pizzorusso, says she knows the location that ...

For centuries, art historians have debated over the landscape in Leonardo da Vinci's "Mona Lisa." But the geologist and Italian Renaissance scholar, Ann Pizzorusso, says she knows the location that ...