>>41923
I think they have some anti-vehicle weaponry in there too. But if they can mistake the suicide bomber with a civilian that could suck balls.
Too bad it cannot be seen where the defence is deployed, where they would do it, they have bastions which should offer cover on the side. Eh, gonna write about this later.

>>41924
It's a ditch. A "moat". On the left there's a bridge over it.