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È un momento storico per la Svizzera italiana. Viene infatti inaugurato oggi il traforo autostradale del San Gottardo. Con i suoi 16,942 km è al momento la galleria stradale più lunga del mondo. 05.09.1980. Realizzazione radiofonica di Gian Piero Pedrazzi e Eugenio Jelmini.
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https://www.rsi.ch/s/702640
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