A hidden manhole cover beneath the flooring was exposed during its remodeling. The cover led to a tunnel shaft that was assumed to be used by the Germans who occupied the area during WWI.

Once completed, the Tonnelle Avenue site will have one of the shafts to launch two tunnel boring machines that will drill through rock in the Palisades. A separate shaft is being built at the ...

The Qassam Brigades, the paramilitary wing of Hamas, said that its fighters "eliminated" a number of Israeli soldiers after luring them into “a previously booby-trapped tunnel shaft” on ...

The tunnel shaft was 100 meters away from a compound that was previously used as a school. Fighters from the Yahalom Unit destroyed the underground passage, which was dozens of meters long and led ...

Engineers involved in the project said the “box-pushing” method is being used for the first time to create a Metro tunnel in Calcutta Two boxes, which have been joined, cast and pushed forward to ...