Lucerne. Sonnenberg tunnel. Fallout shelter. Bunker. War. Ventilation. Air system. | Didier Ruef | Photography
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Canton Ticino. Toricella. Fallout shelter. Bunker. Ventilation system. Locked emergency door. Fridge. Oven. | Didier Ruef | Photography
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Andelfingen. Fallout shelter. Bunker. Bunk beds. Ventilation system. Locked emergency door | Didier Ruef | Photography
