On 6 May, the 2023 national kinson (4cheon Sen) hosted by the National Centre for the Management of the Underwater Movement of the General Directorate of Sport opened the scene in the Sendai Sea area. It was noted that the competition was held for three days, with over 20 delegates and over 100 sportsmen from across the country. Fields of competition As a global water campaign, the power swings are now prevalent in dozens of countries and regions of the world, which are the time-consuming, co...