it's a site special in teaching knowledge and skills of oil paintings.there are hundreds of world famous artists' biographies and works in this site, including:vincent van gogh，gauguin， renoir ，cezanne leonardo da vinci， michelangelo buonarroti， miro，pablo picasso，rené magritte， francesco fontebasso， edgar degas，claude monet，rembrandt van rijn， henri matisse， wassily kandinsky...etc. what's more, you can find knowledge about many oil paintings related products, for example, picture frame, painting brush and so on. the site shows several thousands famous oil paintings. it's a big and all-around site about oil paintings knowledge.