The arches are special kind of arrangement of wedge-shaped blocks of stones or bricks that should mutually support each other and at the end are supported by piers or abutments. An Arch has a function to carry the weight of the structure above the opening. The shapes they can make are wonderful and strong because the blocks are supporting each other by mutual pressure of their own weight. The types of arches are numerous and they all make wonderful impact to the construction and the wall where are build. So they find their use at interior and exterior of the buildings both. The images bellow are showing the look and the shapes they can take.

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