It's surprising that they're not doing that systematically around the building, but then again I guess that applies to a large part of the city as well. One always wonders which incredible books we lost, from amazing mysterious old philosophers. The burning of the library of Alexandria is such an incredible sadness
Excavation with our soon-to-be-outdated techniques is needless destruction. We should only excavate what is about to be destroyed. ( And we shouldn't destroy stuff just to put up yet another shitty modern building. )
It's not a building.