### id262791528 retaining walls are less wasteful of space than slopes > slopes are kind of a waste of space. Depending on the steepness, it’s either inconvenient, or entirely impossible to use sloped areas for building things, walking, driving, or even as open spaces like parks. In dense urban areas, real estate comes at a premium, so it doesn’t make sense to waste valuable land on slopes. Where space is limited, it often makes sense to avoid this disadvantage by using a retaining wall to support soil vertically. - [View Highlight](https://read.readwise.io/read/01fqy76cdnrnr13taa2nph3dzm) - [[Why Retaining Walls Collapse by Grady Hillhouse#id262791528 retaining walls are less wasteful of space than slopes|View in Vault]]