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Photos by the Swiss photographer, pilot and aviation pioneer Walter...
Education, culture and sport, Transport
Photos - many of them aerial images - Walter Mittelholzer took both in Switzerland and during his adventurous flights to places like Spitzbergen (1923), Persia (1924/25), across...
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Media on Wikimedia Commons contributed by the ETH Library
Population and society, Education, culture and sport, Agriculture, fisheries, forestry and food, Regions and cities
ETH-Bibliothek's photographic and audio-visual documents are curated by the Image Archive. Its collection of more than 3 million visual sources include ETH Zurich's Portrait and...