The fortifications that we are building provide an extensive system of trenches, dugouts and other types of shelters. We install barrier lines, dragon’s teeth, anti-tank ditches and other ...

Full Story: https://wfts.tv/3WWGhn0 Their technical name is Wave Attenuation Device or WAD, but to most, they look like big concrete pyramids. For the next few days, the Florida Department of ...

TERRA CEIA, Fla. — If you've driven over the Sunshine Skyway Bridge lately, you might have noticed the concrete pyramids lined on the water and near the roadway — those are called wave attenuation ...

An artificial reef in Georgia's Romerly Marsh Creek was enhanced with 60 concrete pyramids to improve biodiversity and fishing. The project is a collaboration between state agencies and a concrete ...