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Keywords from Image Description:
Birsbruecke bei Liesberg . br plan of the railway bridge crossing the Birs near Liesberg of Robert Maillart in Felsegg BaselLandschaft Switzerland br der Eisenbahnbrcke ber die Birs bei Liesberg von Robert Maillart BaselLandschaft Schweiz Einige neuere Eisenbetonbrcken Schweizerische Bauzeitung elib ch Heft von Seite Robert