What do you think of the Bollard Fence Design (steel slat picket-fence)>>>>>>>>>>>>>>
The only additional aspect would be to have the ability to throw a switch and electrify selected sections when necessary, 220 volts. If the whole wall was like that we would be able to really make a difference without waiting for hundreds of soldiers or officers to support a mass attempt on the wall.
The wall should have the option to turn itself into a huge zapper.
Should be always energized or else in a very random, unpredictable section-by-section pattern.