China also helped building headquarter for Vietnam Ministry of Public Safety http://mapio.net/pic/p-57003656/
The rumour is that this build is full of bugs in the walls and everywhere, so that the Ministry is still using their old building, the new one is only for unimportant paperwork.
Idea for political trolling: just once, sell the other country a jet or whatever without a single bug, and laugh as they desperately tear it apart, trying to uncover something.
> ''The culprit,'' Mr. Schlesinger said, ''is American complacency, the tendency to assume that the Russians are technically inferior to us and that we can handle them.''
This article may be from 1988, but it seems somewhat applicable to current events.