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WikiPedia: X_Games http://www.planetx.com.au http://aroundtherings.com/site/A__54874/Title__Bac... http://xgames.espn.com/xgames/ http://www.espnfrontrow.com/2012/01/espns-working-... http://www.sportsbusinessdaily.com/Daily/Issues/20... https://web.archive.org/web/20100512231829/http://... https://www.wada-ama.org/en/media/news/2016-02/wad... https://commons.wikimedia.org/wiki/Category:X_Game...