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The , also known as the is a ski jumping venue located in the Miyanomori area in Chūō-ku, Sapporo, Hokkaidō, Japan. Owned mostly by Sapporo City,〔(the history of the Mt. Okura Ski Jump Stadium )〕 the ski jump is placed on the eastern slope of the Mt. Okura. The stadium has hosted a number of winter sports events including 1972 Winter Olympics and FIS Nordic World Ski Championships 2007. The area of stadium consists of the Winter Sports Museum, the Ōkurayama Crystal House, and the Mt. Okura Observation Platform, as well as the ski jump. The stadium has area of 8.2 ha〔 which houses 50,000 people at a maximum during a competition, and the ski jump is categorized as the large hill jump. The total height of the jump hill from the top starting point to the bottom of the slope is 133 metres, also the distance to the K-spot (critical point) is 120 metres.〔(Webcity Sapporo, The Mecca of Ski Jumping , Home to Many Ski Jumpers The History and Profile of Okurayama Ski Jump Stadium )〕 The current record held on the ski jump (Bakken Record) is 145.0 metres, which was achieved by a ski jumper Yūsuke Kaneko on March 25, 2005.〔(sportowefakty.pl )〕 == History == In 1931, the Okurayama Ski Jump Stadium was constructed by Kishichiro Okura with an advice and financial aid of Prince Chichibu, a brother of Hirohito, and was donated to Sapporo after the completion. The origin of the another name "Ōkurayama-Schanze" originated the inauguration ceremony in 1931, when the mayor of Sapporo at that time, Masaharu Hashimoto, named the ski jump as "Ōkura Schanze" after its founder. The term "Schanze" means "a ski jump" in German. The construction of the stadium was supported by a director of the Norwegian team in 1928 Winter Olympics.〔 The stadium was renovated with the national expenditure in 1970, which was to suit in coming 1972 Winter Olympics. After the renovation, the stadium had the K-spot at the point of 110 metres, and was capable of housing 50,000 people.〔 At the same time, the word "yama" ("the mountain" in Japanese) was added to its name, thus the stadium was called the "Ōkurayama Jampu Kyōgijō" (Mt. Okura Ski Jump Stadium) . For the 1972 Winter Olympics, the ski jump was the venue of 90 metres class ski jumping competition.〔(1972 Winter Olympics official report. ) pp. 265-7.〕 The ski jump was remodeled many times by advices from the International Ski Federation, and the ski lift toward top of the mountain in 1982, and the distance of the K-spot was extended to 115 metres in 1986, and 120 metres in 1996. The stadium has been under the jurisdiction of the government of Japan until 1995, when it was switched as a facility under the control of Sapporo. In 1998, the ski jump in the stadium was remodeled to include the Summer Hill, a ski jump which enables skiers to jump even in the summer. Also the ski lift was extended, and lighting was installed for night competitions. In 2005, the monument of the Ballad of the Rainbow and Snow, the theme song of 1972 Winter Olympics, was erected. 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「Okurayama Ski Jump Stadium」の詳細全文を読む スポンサード リンク
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