U.S. President Donald Trump's attendance at the Summer Grand Sumo Tournament, and presentation of a large trophy to its winner, made headlines around the globe.
The attention of the world's media, for a few hours at least, was focused on Japan's national sport.
Although massively disruptive on the day in question, the visit is unlikely to have any long-lasting negative effect on sumo, and may even result in a small boost in fans in the United States.