In pictures: The world's largest tech event kicks off in Barcelona

The annual Mobile World Congress hosts some of the largest communications companies, with many unveiling their latest phones.
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The new LG G6 model of South Korean multinational conglomerate corporation LG after its presentation in Barcelona on February 26 on the eve of the 2017 Mobile World Congress opening. (JOSEP LAGO/AFP/Getty Images)
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Chinese multinational networking and telecommunications equipment and services company Huawei's new phone P10 after its presentation on February 26 in Barcelona. (LLUIS GENE/AFP/Getty Images)
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Visitors at the first day of the Mobile World Congress in Barcelonaon on February 27. Phone makers will seek to seduce new buyers with artificial intelligence functions and other innovations at the world's biggest mobile fair. (LLUIS GENE/AFP/Getty Images)
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The new 'Nokia 3310' model of Finnish HMD global on the first day of the Mobile World Congress in Barcelonaon. (JOSEP LAGO/AFP/Getty Images)
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Visitors enjoy a Samsung VR virtual reality experience during the Mobile World Congress on the opening day of the event at the Fira Gran Via Complex. (Getty Images)
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The Galaxy Book at the stand of Samsung on the first day of the Mobile World Congress in Barcelonaon. (LLUIS GENE/AFP/Getty Images)
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Visitors test the 'Gear VR 4D' device at the Samsung stand. (JOSEP LAGO/AFP/Getty Images)
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A Crosscall Trekker-X3 smartphone inside a tank full of water at the Mobile World Congress in Barcelonaon. (JOSEP LAGO/AFP/Getty Images)
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Visitors test the virtual 'AR Experience' at the Samsung stand on the first day of the Mobile World Congress. (LLUIS GENE/AFP/Getty Images)
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Chinese multinational networking and telecommunications equipment and services company Huawei's new phone P10 after its presentation. (LLUIS GENE/AFP/Getty Images)
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A visitor tests 'Korea VR Tour' in the stand of KT -Korea Telecom- on the first day of the Mobile World Congress in Barcelonaon. (LLUIS GENE/AFP/Getty Images)
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Journalists take pictures of Nokia's new phone 'Nokia 6' after its presentatioin on February 26. (JOSEP LAGO/AFP/Getty Images)
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The new BlackBerry Key One is displayed at the Mobile World Congress centre in Barcelona. (JOSEP LAGO/AFP/Getty Images)
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Visitors look at the new Sony Xperia XZ during the Mobile World Congress 2017 on the opening day of the event at the Fira Gran Via Complex. (Getty Images)
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Visitors arrive at the Mobile World Congress on the first day of the MWC. Phone makers will seek to seduce new buyers with artificial intelligence functions and other innovations at the world's biggest mobile fair starting today in Spain. (JOSEP LAGO/AFP/Getty Images)
Tue 28 Feb 2017 12:48 PM