21/12/2010
09/12/2010
13/04/2011
05/05/2011
As heavy as the Empire State Building
10/03/2011
Dealing with geological particularities
29/04/2011
Checking the geometry of the excavation
10/03/2011
Making sure the level surface is perfect
10/03/2011
05/05/2011
Safety mesh installed along the rock face
10/03/2011
28/04/2011
12/05/2011
29/04/2011
24/02/2011