Members of the South African media, arts, culture and academic world were treated to an exclusive talk by French engineer and Leonardo da Vinci expert, Pascal Cotte, revealing 25 new secrets about the Mona Lisa, the world's most famous painting.
The exhibition, which has journeyed to 40 cities and been seen by more than four-million people worldwide, offers a display of more than 200 unique pieces, including 75 life-size machine inventions and high definition renderings of Leonardo's most notable Renaissance works, all built by Italian artisans using materials available in Leonardo's era.