Banksy is back and he’s just as controversial as ever. His newest piece appeared in Cheltenham, around a phone booth, and features a bunch of guys in trench coats and glasses, seemingly listening in on someone’s phone conversation. The piece is only a few miles from a listening post for the Government Communications Headquarters, which is basically the British version of the NSA. Check it out above, and let us know what you think. Where will Banksy strike next?