Polaczyk of Poland competes during men's Kayak (K1) semi-final of Canoe Slalom,
at London 2012 Olympic Games in
A camera shot taken from beneath the swimming pool shows Bronte Barratt (C)
of Australia competing during women's
4x200 freestyle relay final of swimming at London 2012 Olympic Games in London,
Britain, August 1, 2012. The U.S. swimmers won gold medal in this event.