![G. Wood (1932) G. Wood (1932)](https://ambiente.regione.emilia-romagna.it/en/geologia/soil/soil-planning/soil_land_planning/Grant-Wood-Arbor-Day-1932.jpg/@@images/606c0efd-d631-4bc5-9732-bcbb0c19b69a.jpeg)
Grant Wood, Arbor Day (1932)
Grant Wood, Arbor Day (1932)
Armand Guillaumin, The sand quarry
David Hockney, Garrowby Hill, 1998. Museum of Fine Arts, Boston
Edward Hopper, Sunday,1926
Giorgione, La tempesta (1500-1505)
Ambrogio Lorenzetti, Effetti del buon governo, Siena, Palazzo Comunale (1349)
Van Gogh, Champs de blé à Arles, 1888. Kunstmuseum, Winterthur