If you are wondering why these children are looking none too happy, it's because the sumo wrestlers are taking part in a 400-year-old contest to try and make them CRY.
The competition was held at the Sensoji temple in Tokyo on April 29, and the idea behind it is the belief that the louder the baby cries, the greater the blessings they receive.
The sumos face each other holding the children, and growl and pull faces to see which who can make their charge weep first. As the babies howl, a priest shouts and waves to waft their shrieks closer to heaven.
Competition rules decree that if both children cry at the same time, whoever is wailing the loudest is the winner.
The Sun reports that parents happily hand their offspring over for the competition, believing, in-line with an ancient Japanese proverb, that crying is good for a babies health and growth, and that a powerful cry wards off evil spirits...