Saint John The BaptistCONDIZIONE: Ottime condizioni copertina e angoli rovinati, bordo pagine esterno anneritecopertina morbida In a passage from his Treatise on Painting, Leonardo refers to an aversion generally shared by painters of the period, with whom he seems to thoroughly agree, for shadows rendered too crisply when the main source of illumination is the sun. To counter this, he suggest reducing the sun's glare using glazes, thus creating a slightly misty atmosphere