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
1968 Summer Olympics torch relay arrived just outside San Salvador at the original landing site of Columbus's first voyage. A celebration organised in conjunction with the Bahamas Olympic Association marked the first time that the Flame had been to the New World. At the end of the festivities the Flame was taken aboard the Mexican destroyer ARM "Durango". The ship arrived in Veracruz on 6 October with the torch being swam ashore by a relay of seventeen swimmers. From there the Mexican runners started their journey, and the Flame arrived at the Olympic Stadium Estadio Olímpico Universitario on 12 October. In total the relay spanned