In fall 2015, another structure was installed by the same company but with updated features including flat ends, doors upper ventilation and installation of raise beds and irrigation systems by the ...

double-track tunnel, which will accommodate high-speed trains traveling at nearly 125 MPH. Situated close to an active fault ...

The $20 trillion "Transatlantic Tunnel" construction that could connect the U.S. and the U.K. by rail has been branded a "high-risk" project by one of the world's leading megaproject experts.