(1) The road passed beneath a highway bridge over one of the mountain's many small rivers, and up beneath the ferroconcrete and I-beam abutments were dozens of new clay nests that had been built upon the old ones.(2) The modern ideal is marked by houses with slender lines and large glass windows or walls, very little outside decoration, and the use of bricks, tile, and ferroconcrete .(3) Among the rusted-out cars and collapsed ferroconcrete pillars, Edselbert arches, looking for useful scraps.(4) a ferroconcrete storage tank(5) While watching catamarans glide up and down the waterways near Camp Lejeune, he came up with an idea for building crafts with ferroconcrete , which he hoped would make them quicker and cheaper.(6) An unadorned stairway in ferroconcrete seems to defy gravity as it corkscrews up, without supports, from a marble floor.