Today is the first day of the The 2019 Spring School: Recent Advances in Characterizing And Preserving Photographs, that takes place in Paris, and runs for two weeks. The Spring School is a part of 4 year long initiative "Photographs: Perception and changes: An interdisciplinary approach on photography and its reception", that aims at developing and fostering collaborative and inter-disciplinary approach to an understanding of photographs. Multiple days of workshops, lecture