translation.en: In 1975, I met in Florence a professor, Carlo Pedretti, my former professor of art history, and today a world-renowned scholar of Leonardo da Vinci.
translation.zh: 1975年，我在佛罗伦萨巧遇了卡洛·佩德雷蒂教授， 我曾经的艺术史老师，如今他 已是位享誉世界的莱昂纳多达芬奇研究家。