Five hundred years ago this fall, Leonardo da Vinci arrived in Amboise, a small town on France’s Loire River, bringing with him his three most famous paintings — “Mona Lisa,” “Saint John the Baptist” and “The Virgin and Child with Saint Anne.” Invited by France’s King Francis I, who spurred the French Renaissance, the 64-year-old Tuscan was put up in the Clos Lucé, a house of pink brick and tufa stone next to the royal Château d’Amboise, where the king named him “first painter, engineer and architect; free to dream, to think and to work.”… (View original article)