KEEP YOUR WALL FROM COLLAPING: MYTH VS. REALITY ️⚠️ Did you know that the number one reason retaining walls collapse is not the poor quality of the bricks, but the water? 🌊 Many self-builders make the grave mistake of thinking that a wall is just stacking material to "hold up" the earth, completely ignoring an invisible and powerful enemy: hydrostatic pressure. As you see in the illustration on the left, when the floor behind the wall is saturated with water and has nowhere to go out, an enormo