The United States' men's basketball team, nicknamed the "Dream Team," is awarded gold medals at the 1992 Summer Olympics in Barcelona, Aug 8, 1992. The "Dream Team," the first American Olympic team to feature active NBA players, was considered by many to be the greatest team ever assembled in any sport. [Photo/Xinhua]

The 1996 Olympics in Atlanta, United States, was marred by the Centennial Olympic Park bombing on July 27, 1996. The terrorist bombing killed two people and injured over 100. [Photo/Xinhua]

The Democratic People's Republic of Korea (DPRK) and the Republic of Korea (ROK) flag-bearers march together under the Unification Flag of Korea during the opening ceremony of the Sydney 2000 Olympics, on Sept 25, 2000. [Photo/Xinhua]

The opening ceremony during the 2004 Olympics in Athens, Greece, welcomes the Olympic Games home after 108 years. It was the first time since 1896 that the Olympics were held in Greece. [Photo/Xinhua]

The torch relay during the Beijing 2008 Summer Olympics reaches the world's highest peak, Mount Qomolangma, also known as Mount Everest in the West, on May 8, 2008. [Photo/Xinhua]