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Hot, Switzerland has dug a "second country" under the Alps: more than 1,400 tunnels and around 2,000 kilometers under the rock

International 01/07/2026 Il Messaggero 👁 6
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Hot, Switzerland has dug a "second country" under the Alps: more than 1,400 tunnels and around 2,000 kilometers under the rock

📖 Article source — 🇮🇹 Italian 🌐 Read full article in English ← Back

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