I assume hydraulic ramming in the storm water system. Get a few thousand tons of water moving, and then have it come to a choke point, and you have some serious pressure.
Yeah and run back INTO oncoming traffic, lol.
I assume hydraulic ramming in the storm water system. Get a few thousand tons of water moving, and then have it come to a choke point, and you have some serious pressure.
Yeah and run back INTO oncoming traffic, lol.