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
2010 Summer Youth Olympics torch relay Kuan Yew lit the cauldron at Marina Bay. However, the Youth Olympic flame was to last till the closing ceremony of the games. Although the IOC had scrapped any further international legs of the Olympic torch relay due to problems encountered during the 2008 Summer Olympics torch relay, the Executive Board approved an exception for Singapore. The plan however was different from the traditional Olympics; the flame was to visit one city from each continent, where community celebrations would take place. The five cities, dubbed the "celebration cities", selected for the torch relay were Berlin, Germany; Dakar, Senegal; Mexico City,