CHA-F-AU0728-0000 The ice-grotto of the Grindelwald Glacier in Switzerland Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Chouanard Henrie Date of photography: 1910-1920 ca. Place of photography: Switzerland, Grindelwald 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): 2076 X 2878 Image sizes (cm at 300 dpi): 17 X 24 Image sizes (MB): 4.97 Color space: RGB