For more from Made in Germany go to http://www.dw.com/en/tv/made-in-germany/s-3066Hong Kong is building a new twin-tube undersea highway tunnel to the airport that is almost 5 kilometers long. A huge tunnel-boring machine in use there was made in...

In this fourth and final installment, the Mexican government takes ownership of the Herrenknecht drilling machines. But first the machines have to prove that they are up for the job.And engineers on both sides are involved lively discussions about...

The Herrenknecht company specializes in tunnel-boring equipment. Three of its enormous drilling machines tare in Mexico to solve an equally massive problem: the inadequate drainage and wastewater system of Mexico City. The Mexican government is...

The Herrenknecht company specializes in tunnel-boring equipment. Three of its enormous drilling machines tare in Mexico to solve an equally massive problem: the inadequate drainage and wastewater system of Mexico City. The Mexican government is...

The Herrenknecht company specializes in tunnel-boring equipment. Last year, it sold three of its enormous drilling machines to Mexico, where they are to help solve an equally massive problem: the inadequate drainage and wastewater system of Mexico...