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WikiPedia: Hokkaido Shinkansen http://ajw.asahi.com/article/behind_news/politics/... http://www.do-shinkansen.com http://dd.hokkaido-np.co.jp/news/economy/economy/1... http://www.japantimes.co.jp/text/nn20111217a2.html http://www.jrhokkaido.co.jp/shinkansen/index.html https://commons.wikimedia.org/wiki/Category:Hokkai...