Arch vs Hoonah

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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

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Hoonah (Tlingit: Xunaa or Gaaw Yat’aḵ Aan) is a largely Tlingit community on Chichagof Island, located in Alaska's panhandle in the southeast region of the state. It is 30 miles (48 km) west of Juneau, across the Alaskan Inside Passage. Hoonah is the only first-class city on Chichagof Island, the 109th-largest island in the world and the 5th-largest island in the U.S.. At the 2010 census the population was 760, down from 860 at the 2000 census.

In the summer the population can swell to over 1,300 depending on fishing, boating, hiking and hunting conditions."Hoonah" became the official spelling in 1901, with establishment of the Hoonah branch of the United States Post Office. "Hoonah" is the approximate pronunciation of the Tlingit name Xunaa, which means “lee of the north wind”, i.e., protected from the north wind.

Source: Wikipedia