>>That's good. I am in favor of that. But, was there really some on top of the hill? If yes, why do you think they are up there?
>
>It is called "vantage point". You can see a great distance. Also, such a presence will keep people away from such an area as you can be seen. It is the security people that are not seen that will play an importnat role in this event.

Yup. That's what the security people are stressing. The visible ones just give you a "feel good feeling". Its the invisible ones that will provide the best protection.