The purpose of a retaining wall is to hold back and support soil or other materials on one side, and prevent erosion or collapse. Retaining walls are often built on slopes or in areas where the ground is uneven, to create level ground for buildings and structures or to prevent landslides or soil erosion. They are sometimes used in landscaping to create raised flower beds or to level out garden paths. Retaining walls can be made from a variety of materials, including concrete, stone, brick, and composite materials.
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