He gave us much more than the Mona Lisa. This Renaissance man drew up designs for an armored vehicle, a fixed-wing glider, a helicopter and a pyramid-shaped parachute.

• 他留给我们的不只是蒙娜丽莎，他是文艺复兴时期的伟大画家，绘制出了装甲车的图形，机翼固定的滑翔机，直升机和角锥状降落伞的图象。