In the second Destruction point. The attacker need to cross the river and their attack direction is very limited.
The defender had huge advantage
attacker
wall----------------------------------
bomb
defender
The defenders can reach the bomb easily, or setup cannons, tanks to wipe out anyone who try to reach the bomb, while the attacker can’t they can only reach the wall by first walk through 2 gate, then try to turn left or right to get closer to the bomb.