Edición de fotos antes de photoshop...

Pictures altered after the negative was exposed—through photomontage, combination printing, overpainting, retouching, or, as is often the case, a blend of several processes. In every instance, the final image differs significantly from what stood before the camera at any given moment.




Link: Exposición del Metropolitan Museum of Art

(me hace acordar a "Viaje a la luna" esto)