The cutter head carves a smooth round hole through the rock -- the exact shape of a tunnel. Conveyor belts carry the rock shavings through the TBM and out the back of the machine to a dumpster.
Built on a limestone foundation, Valletta housed defense systems in deep tunnels during WWII that saved Malta and Allied ...
The tunnel’s entrances, designed by Snøhetta, will feature rough-hewn rock walls, walkways, and a road bridge to blend with the natural landscape and provide scenic viewpoints, potentially ...