An Iron Curtain is being drawn across the Earth. That's my best Winston Churchill. But that's a physical manifestation of the Iron Curtain. And that's only the final fortress. It went through different generations, but they're going to have 60 yards of a death strip. First, they had kind of a signal fence that would give off a signal somebody crossed it. And then they had different sand traps so they could check footprints in the morning if somebody got through.