skip to main content

Listen

Read

Watch

Schedules

Programs

Events

Give

Account

Donation Heart Ribbon

Subscribe

This photo shows an endoscope being thread into the Vasari wall to find signs of the lost Leonardo painting "The Battle of Anghiari" in Florence's Palazzo Vecchio. (DAVE YODER/National Geographic - AFP/GETTY IMAGES)

Above: This photo shows an endoscope being thread into the Vasari wall to find signs of the lost Leonardo painting "The Battle of Anghiari" in Florence's Palazzo Vecchio. (DAVE YODER/National Geographic - AFP/GETTY IMAGES)