a single punch can make all the difference in boxing. The sport made its Olympic debut at St Louis 1904 and women entered the fray at London At Rio there are 13 categories – 10 for men and three for women.
Russia's left wing Polina Kuznetsova (front) shoots past France's right wing Marie Prouvensier during the women's Gold Medal handball match France vs Russia for the Rio 2016 Olympics Games at the Future Arena in Rio on August / AFP / afp / Roberto SCHMIDT
London Olympics 2012 - The Sustainable Games begin.They are measuring the impacts and tracking "people, planet, profit" - impacts from the initial bid through the closing ceremony. Pic from Urban Times Magazine
Martin Fuksa of the Czech Republic competes during the men's canoe single 1000 sprint semifinal competition in the Rio 2016 Summer Olympic Games at Lagoa Stadium. - Best images from Aug. 15 at the Rio Olympics: 2016