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. They had Stalin's carpet, which were nails pointing up. They had over 100 watchtowers. They had bunkers with thousands of Germans.