how to arrange image on left and text on right of image?

On my web page : http://www.arthistoire-vaucresson.fr/index.php/prochaines-sorties/ I would like to present image on left and text on right with a little space in between. <h3>Les Icônes russes</h3> <p>Mardi 15 novembre à 13h00 Exposition au Petit Palais à Paris</p> <p style="text-align: justify;">