Wielding a paintbrush as a unifying force, Nelson Makamo's artwork has made the front cover of Time Magazine and attracted collectors such as Oprah Winfrey. FRANCE 24's reporters went to meet the artist at his new exhibition in the French capital. We also visit British sculptor Paul Day at his studio in Burgundy. Plus a new show at Buckingham Palace shines a light on the sketches of Leonardo da Vinci on the 500th anniversary of his death.