s drivers travel near the Sunshine Skyway Bridge, they may notice concrete pyramids and wonder what they are. Crews recently started putting them in the water with the goal of protecting the environment and the coastline from erosion. The "wave attenuation devices," also known as "WADs," aim to reduce wave action to mitigate erosion, while allowing seagrass to grow and providing habitat for sea life. MORE: https://www.wtsp.com/article/news/local/pyramid-manatee-county-environment-erosion-wave-attenuation-devices/67-63326ece-6905-49fc-9d81-31f85b0354d6 ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay