In Rio Olympic Games, all athletes are trying harder and harder, only to put up a good show to win hornor for their country and themselves as well. Sun Yang, one of China’s best and most controversial swimmers, won the goden medal in 200-metre-freestyle. After the competition, he threw his swimming cap to the audiences to celebrate his victory. This is his exciting moment. Everyone must have breathtaking moment in life. How do you behavior in that moment?