Big building in big city.
Three security guards in reception. Receptionist sat behind a glass enclosure.
Had to show id, given a pass to wear.
Escorted to lift by 2 security guards. Taken up in lift by a different to guards.
Handed over to 2 more security guards.
Shown in to a very large room with staff behind glass and security guards strategically placed around the room. Had to show pass and id again
Escorted to toilet by security guard, and back again.
Guards in every corridor.
All in reverse to get out.