ULL-F-847757-0000 Group of farmers and children attending the screening of an educational film about the healing powers of quinine against malaria infection in the Pontine Marshes Credit: Ullstein Bild / Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of photography: 1932 Place of photography: Lazio, Pontine Marshes Collection: Ullstein Bild / Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 4134 X 3034 Image sizes (cm at 300 dpi): 35 X 25 Image sizes (MB): 7.13 Color space: RGB