NHK - 加拿大油砂：世上最后石油资源地的激烈争夺戰
日本NHK記錄片http://www.youtube.com/watch?v=QGCvkQnaqOU&feature=related
http://www.youtube.com/watch?v=nEhXYwIBfPU&feature=related
http://www.youtube.com/watch?v=g0iiXmzAb0M&feature=related
http://www.youtube.com/watch?v=FbAhY1TUXLE&feature=related
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