1948 Summer Olympics torch relay then run through Switzerland and France. The route was modified only when Luxembourg and Belgium both requested that the torch travel their territories. A longer Greek route was planned, but reduced from an expected down to due to concerns over instability in the country and a lack of security. The torch lighting ceremony took place on 17 July 1948 in Olympia, Greece. As with the 1936 Summer Olympic relay, the torch relay was begun by focusing the sun's rays onto kindling using a parabolic reflector, which then lit the first torch. The kindling was conducted by a Girl Guide leader
2011 Pan American Games torch relay 2011, at the pyramids of Teotihuacan outside Mexico City. The Pan American flame was lit in the Pyramid of the Sun, the spot selected by the Pan American Sports Organization (PASO). The relay was organized by the Mexican Olympic Committee and was sponsored by Grupo Omnilife, a nutrition company. The first torch was carried by Pan American Games gold medalist Paola Longoria. The relay began with a moment of silence in honor of the victims of the 2011 Monterrey casino attack. About 3,500 runners carried the torch on the 15,000-kilometer route. The torch arrived in Puerto Vallarta on October 9,