The standard competition swimming pool is actually a little longer than 50 meters, because during the game, there will be electronic boards on both ends of the pool wall. The electronic boards are also thick, which is exactly 50 meters.
The standard competition swimming pool is actually a little longer than 50 meters, because during the game, there will be electronic boards on both ends of the pool wall. The electronic boards are also thick, which is exactly 50 meters.
This knowledge is really useless