Capturing the biggest, most complex, most stressful and most dangerous engineering projects around the world, Mega Builders chronicles the most awe-inspiring construction projects in modern engineering.
Return to the 57-kilometer long high-speed rail tunnel in Switzerland's Gotthard Mountain range to see what it will take to finish the project by 2017.
Return to the 57-kilometer long high-speed rail tunnel in Switzerland's Gotthard Mountain range to see what it will take to finish the project by 2017.
Capturing the biggest, most complex, most stressful and most dangerous engineering projects around the world, Mega Builders chronicles the most awe-inspiring construction projects in modern engineering.