2015-08-02, Kazan, Russia. The 16th FINA Aquatics World Championships. The first day of swimming competition. Members of Team USA cheer for women's 4x100m freestyle relay squad.
2015-08-02, Kazan, Russia. The 16th FINA Aquatics World Championships. The first day of swimming competition. Katie Ledecky of Team USA on podium receiving gold medal for winning the final of 400m freestyle.
