Concrete and masonry
Gabion Walls - what is a gabion cage & how to build with them?
...cages supported by galvanized aluminum alloy or steel metal rods) that are embedded in the ground. Done!
Gabion walls are steel cages filled with stones or other materials
The filling can be of all shapes and colors of granite or other stones. An important point to make when building a gabion wall in a cold climat...