FBQ-A-006263-0023 The Anio Valley with the Waterfalls at the Villa Mecenas Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: MacPherson, Robert Date of photography: 1857 ca. Place of photography: Tivoli Collection: Alinari Archives, Florence Object type: print on paper Photographic technique: P albumen Dimensioni: 305 x 405 mm Technical info Image sizes (pixel): 2944 X 2255 Image sizes (cm at 300 dpi): 24 X 19 Image sizes (MB): 8.16 Color space: RGB