1947: Franco-Italian Agreement signed for the planning of a tunnel under Mont Blanc.
Signing of a French-Italian agreement to start drilling a tunnel under Mont Blanc.
A 2,228 foot tunnel near Cowan, Tennessee was considered an engineering marvel of the time.
The 2,228 feet Cowan Tunnel near Cowan, Tennessee was considered a marvel of the time.
Then, in 1911, the company surprised everyone with the announcement that it would be digging a five-kilometre tunnel under Mount Royal.
In spite of the failure, this private initiative had nevertheless put the question of the drilling of a tunnel under Mont-Blanc back on to the agenda.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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