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
2016 Summer Olympics opening ceremony and Gilberto Gil performed the song "Sandália de Prata", by Ary Barroso. The segment was a tribute to Rio's most famous signature event; the Rio Carnival, which happens on the last four days before Ash Wednesday. Ending the Olympic torch relay at the end of the Opening Ceremony, Gustavo Kuerten brought the Olympic torch into the stadium, relayed the Olympic flame to Hortência Marcari, who relayed to Vanderlei Cordeiro de Lima, who then lit the Olympic cauldron. The cauldron was lit by Vanderlei Cordeiro de Lima, marathon bronze medallist at the 2004 Summer Olympics and recipient of Pierre de Coubertin