Se la barzelletta "Che ci fa un gallo sotto una montagna? Una galleria!" non è la vostra preferita, potrà sicuramente interessarvi uno sguardo tridimensionale all'interno del massiccio del San Gottardo, per capire dove si trova, che percorso segue e com'è strutturato il nuovo tunnel di base. Sì perché, come avete già visto nel filmato "Un treno a 3'600 all'ora — 57 km in 57 secondi", non è solo uno scavo che fila "dritto per dritto" (come diceva un personaggio divenuto virale online).
Come si vede nella grafica animata, i chilometri scavati sono molti di più. L'opera è composta da numerosi cunicoli, gallerie, strutture interne, senza poi contare tutte le gallerie di indagine scavate prima di iniziare il traforo principale...
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