Pictures of Alex Thomson the skipper of the Hugo Boss IMOCA Open 60 race yacht walking up the mast of his yacht whilst sailing.
Lloyd Images/Alex Thomson Racing
In this video, he climbs up the 30-meter high mast of the moving vessel and dives into the ocean.
This is not the first stunt we've seen from Alex - two years ago he completed the 'Keel Walk', a stunt that has become famous throughout the world.
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