|Lichtprojektion auf US-Botschaft Berlin|
Okay, we had that coming. First, there was the matter of Angela Merkel's intercepted phone calls, and then the Snowden revelations, plus hearings in the Bundestag about U.S. technical surveillance in Germany that featured testimony from two former NSA employees.
Not to mention the recent arrests of two German government employees accused of selling thumb drives full 'o German secrets to the CIA, arrests which eventuated in U.S. Ambassador John Emerson being called in to the Foreign Ministry in Berlin, and in the expulsion from Germany of a second U.S. Embassy official.
German government agencies are reportedly so worried about NSA's surveillance capabilities that they are now resorting to the use of manual typewriters as a security countermeasure.
I really have to hand it to light artist Oliver Bienkowski. That's a clever idea, not to mention a lot neater than spray paint.