𝐵𝓊𝓃𝒸𝒽𝒪𝒻𝒞𝑜𝓊𝓅𝑜𝓃𝓈

A gabion is a cage, cylinder or box filled with rocks, concrete, or sometimes sand and soil for use in civil engineering, road building, military applications and landscaping. For erosion control, caged riprap is used. For dams or in foundation construction, cylindrical metal structures are used.