Also that wall needs to be able to sink down into the ground. Also it needs to be able to rise at the push of a button to effectively cut off suicide and ramming speed cars from impacting particular people and buildings. No sweat!
Also that wall needs to be able to sink down into the ground. Also it needs to be able to rise at the push of a button to effectively cut off suicide and ramming speed cars from impacting particular people and buildings. No sweat!