PDC-F-003846-0000 In iron bridge situated in a harse rocky area of Southern Central America with a river running underneath. Near the bridge a few laborers at work Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Unidentified Author Date of photography: 1889-1891 Place of photography: America Collection: Alinari Archives-Palazzoli collection, Florence Object type: print on paper Photographic technique: P albumen Dimensioni: 258 x 318 mm Technical info Image sizes (pixel): 2471 X 2008 Image sizes (cm at 300 dpi): 20 X 17 Image sizes (MB): 5.15 Color space: RGB