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Newark Earthworks : ウィキペディア英語版 | Newark Earthworks
The Newark Earthworks in Newark and Heath, Ohio, consists of three sections of preserved earthworks: the Great Circle Earthworks, the Octagon Earthworks, and the Wright Earthworks. This complex, built by the Hopewell culture between 250 AD and 500 AD, contains the largest earthen enclosures in the world, being about 3,000 acres in extent. Today, the preserved site covers 206 acres, and is operated as a state park by the Ohio Historical Society. It has been designated a National Historic Landmark. In 2006, Newark Earthworks was also designated as the "official prehistoric monument of the State of Ohio."〔 This is part of the Hopewell Ceremonial Earthworks, one of 14 sites nominated in January 2008 by the U.S. Department of the Interior for potential submission by the United States to the UNESCO World Heritage List.〔(【引用サイトリンク】title=Newark Earthworks Day )〕 == History == Built by the Hopewell culture between 250 AD and 500 AD, the earthworks were used as places of ceremony, social gathering, trade, and worship. However, the primary purpose of the Octagon earthwork itself was scientific. The Newark Earthwork site is the largest surviving Hopewell earthwork complex in North America. The culture built many earthen mounds. Over many years, they built the single largest earthwork enclosure complex in the Ohio River Valley. The earthworks cover several square miles. Scholars have demonstrated that the Octagon Earthworks comprise a lunar observatory for tracking the moon's orbit during its 18.6-year cycle.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Newark Earthworks」の詳細全文を読む
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