The memorial service at the 1972 Olympic Games in Munich. The service was held in the Olympic Stadium in memory of the 11 Israeli athletes who had been gunned down by Palestinian terrorists the day before. The Israeli team subsequently withdrew as the Games continued, somewhat subdued, after a 24-hour suspension. (Hulton Deutsch/Getty Images/Allsport)
China’s 91,000-seat Olympic stadium, designed by the Swiss firm Herzog & de Meuron, was dubbed the “Bird’s Nest” for its elaborate webbing of steel beams. (Wally Skalij / Los Angeles Times)