URL:http://media.istockphoto.com/vectors/summer-olympic-games-sport-synchronized-swimming-vector-id537887728?k=6&m=537887728&s=170667a&w=0&h=sYnA1zNdebZVQfVe31slvYtjE7E6w7Gf3ozvp6YuVX0=
掲載元:http://www.istockphoto.com/illustrations/synchronized-swimming