Because swimming is a skill that will last a lifetime, whether or not training hard. And the children who play this sport, but children are healthy, strong body shape.
Because swimming is a life skill that them whether they practiced harder and make children play this sport, but children must be healthy, strong body. Good shape.
It will be a sports swimming skills, life is not a practice that will be hard to do, or not, and children's children, but this is a sports health healthy body shape.