. >> reporter: kasahara hopes to entertain visitors while ensuring the students keep apart.he created what is called the social distance dance. >> translator: it should be a big movement, moving upwards and open like this. >> reporter: on the first joint practice day in the schoolyard, the teachers showed the children that their arms should be wide open and spaced apart. they are unable to form a circle. the first graders can't remember their positions. in the last scene, the children can't synchronize well. they had to practice repeatedly. finally, it's sports day. the dance has begun. the children keep sufficient distance between themselves. they form a big full circle. >> translator: yes! >> translator: it's a big success. i'm glad that the students have developed the awareness of keeping a distance and can use this awareness in the future. >> kasahara's social distance dance is giving children not only a sense of accomplishment, but also a hint on how to live through the difficult time of the corona pandemic. watanabe yuriko, nhk world. >>> it's time for a check on the w