@coyote2000lb Actually the are, the give flexibility to the structure, so in that way the building can move with the earthquake, and the damage will be zero, real damaga happens because the bulding its very rigid, and all the destruction its know from there, its looks scary but damm its works
@coyote2000lb Actually the are, the give flexibility to the structure, so in that way the building can move with the earthquake, and the damage will be zero, real damaga happens because the bulding its very rigid, and all the destruction its know from there, its looks scary but damm its works