If that were done in the US of A, the FAA would freak out royally for sure.
"No no no no! You can't do that! You flew recklessly! Within 50 feet of a building and over a city street and....and....and...and...and...............".
hey, as long as people think drones are secretly spying on them from the sky without anyone knowing, I dont care of they are fooled into thinking this is possible