Sámuel Hajlamos Cusco expo wien javítás jólét acél
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1873 Vienna World's Fair - Wikipedia
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Exhibition: 'The Metropolis Experiment: Vienna and the 1873 World Exhibition' at Wien Museum, Vienna | Art Blart
Messe Wien
Vienna Jubilee Expo 1898. Pavilion of the City of Vienna, 1898. Found in the collection of Österreichische Galerie Belvedere, Vienna Stock Photo - Alamy