A mysterious shiny metal monolith discovered in the Utah desert mid-November has disappeared, leaving authorities and Internet sleuths little the wiser as to its purpose or origins. Some suggest the monolith, which appeared to have been manmade, was the work of John McCracken, an artist inspired by science fiction who died in 2011. Subscribe to France 24 now: http://f24.my/youtubeEN FRANCE 24 live news stream: all the latest news 24/7 http://f24.my/YTliveEN Visit our website: http://www.france24.com Subscribe to our YouTube channel: http://f24.my/youtubeEN Like us on Facebook: https://www.facebook.com/FRANCE24.English Follow us on Twitter: https://twitter.com/France24_en