A proposed $20 trillion transatlantic tunnel faces high risk construction challenges.
"High-Risk" Transatlantic Tunnel Proposal Raises Concerns The ambitious plan to build a $20 trillion "Transatlantic Tunnel" connecting the United States and the…
"High-Risk" Transatlantic Tunnel Proposal Raises Concerns The ambitious plan to build a $20 trillion "Transatlantic Tunnel" connecting the United States and the…