Żory vs Arch

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Żory ([ˈʐɔrɨ]; German: Sohrau) is a town and city county in Silesian Voivodeship, Poland with 62,462 inhabitants (2019). Previously it was in Katowice Voivodeship (1975–1998).

It is located in the historic Upper Silesia region about 30 kilometres (19 mi) southwest of Katowice.

Source: Wikipedia

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An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it. Arches may be synonymous with vaults, but a vault may be distinguished as a continuous arch forming a roof.

Arches appeared as early as the 2nd millennium BC in Mesopotamian brick architecture, and their systematic use started with the ancient Romans, who were the first to apply the technique to a wide range of structures.

Source: Wikipedia