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International Telecommunication Union History Portal Metadata
Education, culture and sport, Justice, legal system and public safety, Government and public sector, Economy and finance
For a century and a half since 1865, the International Telecommunication Union (ITU) has been at the centre of advances in communications – from telegraphy through to the modern...
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Photos of the Construction of the Hauenstein Base Tunnel
Population and society, Education, culture and sport, Transport, Economy and finance
The photographs in this collection were taken between 1912 and 1916 during the construction of the Hauenstein railway tunnel. They're part of the extensive photo archive of the ...
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