As for all the where is all the damage, and where is the boing...
That section of the builing had JUST been finished renovations. In the renovations one of the primary "things" that they did was to heavily reinforce teh building agienst bombs, both from insides and out, it preformed as it was supposed to.
As for the dirt/gravel? Does the author no anythinga bout emergency access road design or constuction, I don't either but....