His paintings represented different aspects of ordinary life , such as portraits of members of the Roulin family .
Van Gogh moved to Arles in southern France in 1888 , where he produced some of his best work .
Van Gogh 's paintings represented different aspects of ordinary life , such as portraits of members of the Roulin family .
Van Gogh moved to Arles in southern France in 1888 , where he produced some of his best work .