underground tunnel with ventilation and lighting system for large engineering works tassullo trentino italy

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Underground tunnel with ventilation and lighting system for large engineering works in Tassullo in Trentino Italy Royalty Free Stock Photo
Underground tunnel with ventilation and lighting system for large engineering works in Tassullo in Trentino Italy Royalty Free Stock Photo
   
   
   
   
   
Underground tunnel with ventilation and lighting system for large engineering works in Tassullo in Trentino Italy
   
   
   
   
   
   
   
Underground rock tunnel with ventilation and lighting systems. Structure designed for industrial or mining infrastructure.

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