Did you play with “Lego” building blocks when you were a kid? Well, here’s a project using giant concrete “Lego” blocks to construct a retaining wall. The blocks are made by Redi-Rock, and are being used on this project in south Orange County. The image shows the first course being constructed. GMU is providing geotechnical observation and testing for this wall construction. Stay tuned later in the week for an update on how the wall looks!