Tunnel de Saverne
Tunnelling at TGV speed More information under https://www.herrenknecht.com/en/media/press-information/archive/2012/tunnelling-at-tgv-speed.html
Video: Dawn - one year at the asteroid Vesta
From the more than 28,000 images acquired by Dawn between July 2011 and August 2012, DLR scientists computed a global digital surface model of Vesta. Ralf Jaumann, head of DLR's Dawn scientific team, explains a few spectacular observations with the help of this virtual flight over Vesta. The animation was computed by DLR using the highest resolution images acquired on this mission, and shows details down to a size of just 70 metres.
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Performance³ EN
The River Emscher was considered a "cesspool of the Ruhr": an open channel, extremely polluted with wastewater from coal mining and heavy industry and the feces of local residents. It is a sewage project of superlatives: 10 Herrenknecht-TBMs were used to build an efficient underground pipe and tunn