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Sumo is a demanding sport requiring strength, flexibility, short bursts of power and a lack of shame in wearing brightly coloured fabrics which accentuate your massive dimpled hind quarters.
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Sumo wrestlers wear wooden sandals to improve their height to weight ratio.
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Most of the match involves ceremony and various poses. Barry hates it when his belly overhangs his belt, but here it is encouraged.
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The goal is to push your oponent out of the rope ring, or onto the ground.
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Let us pause for more ceremony, this time throwing salt into the ring.
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The referees wear fantastic robes and hats to indicate supreme authority. Here you can see him ruling on a clear win.
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When there is a difficult call, there is no replay, instead the judge calls upon 4 wise men. When not judging, the wise men sit ringside, with attendants who cover them in blankets, presumably to avoid getting sand up their robes. Wise men don't like that.
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The stadium provides ample seating, with a notable lack of big TV screens and advertising.
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We calculated that you get about 15 seconds of wrestling for every 4 minutes of ceremony. Here is some which led to a front row man being crushed flat. Note the expressions of astonishment.
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The famous bow ceremony performed by the current champion.
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Sumo wrestlers intimidate each other through the following leg lifting maneuver. No really, imagine seeing this in a dark alley - scary, right?
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The stars gather in a sumo circle to allow for comparison of heights, weights, and colourful aprons.
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The 22 cheeks ceremony is also important.
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Ok, how about another action shot.
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On the street, sumo wrestlers are harder to spot, but if you look carefully, you can tell by their hairdos.
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Finally, this is what losing looks like.