Olon süm (English spelling)

Japanese: オロン･スム（英語表記）Olon süm

The site of a Yuan dynasty earthen fortress of the Ongut tribe on the left bank of the Aibga River, north-northeast of the Bai Ling Mausoleum of the Ulanqab League, Inner Mongolia Autonomous Region, China. In 1929, the existence of a Yuan dynasty monument was discovered by Huang Wenbi of the Hedin Northwest Scientific Exploration Team. Later, Egami Hajime discovered a Nestorian gravestone with a cross here, and conducted three investigations between 1935 and 1941. The site consists of a rectangular outer wall (approximately 570m north-south, 960m east-west) and an almost square inner wall (approximately 280m north-south, 290m east-west), with the remains of a palace in the centre of the eastern section of the inner wall.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

中国，内モンゴル自治区ウランチャブ(烏蘭察布)盟百霊廟の北北東，アイブガ川左岸にある元代のオングート(汪古)部の土城址。1929年，ヘディン西北科学考査団の黄文弼（こうぶんひつ）によって元碑のあることが発見された。その後，江上波夫はここに十字架のある景教徒の墓石を発見し，35‐41年に3度の調査を行った。長方形の外城(南北約570m，東西約960m)とほぼ方形の内城(南北約280m，東西約290m)からなり，内城の東区内中央に宮殿址がある。

出典　株式会社平凡社世界大百科事典第２版について　情報

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