Ciao! I have a riddle for you: how do you fit an inventor, a painter, a sculptor, an architect, and an engineer into a one-room apartment? As you can tell, I've just returned from 16th-century Florence, Italy, where I met Leonardo da Vinci. We hit it off immediately. He even let me call him which I thought was very friendly of him. Even better, just for me he invented a How cool was that? Ooh, I'll let you in on a little secret: the woman in the Mona Lisa painting is smiling because How's that for a hot fact? And one last note about Leo's mirror writing. His favorite backward sentence was Ciao again!