CHA-F-AU0642-0000 The Etretat cliffs with the arch known as Porte d'Aval and the pointed rock called Aiguille Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Chouanard Henrie Date of photography: 1920-1925 ca. Place of photography: France, Etretat Collection: Alinari Archives-Chouanard archive, Florence Object type: magic lantern glass slide Photographic technique: P autochrome Dimensioni: 10 X 12 cm Technical info Image sizes (pixel): 2769 X 1979 Image sizes (cm at 300 dpi): 23 X 16 Image sizes (MB): 8.40 Color space: RGB