2000 Summer Olympics torch relay in 1936. The Flame is initiated by using a parabolic mirror that concentrates the sun's rays. However, due to some cloud cover on the day of the ceremony, there was insufficient sunlight to create the required level of heat. A backup, lit on the previous day during rehearsals, was used instead. The remainder of the ceremony could then take place. The relay always begins in Greece and travels from Olympia to Athens and the Panathenaic Stadium. The Hellenic Olympic Committee arranged for the torch to be taken to several Greek islands, a first in the history of Olympic relays. The
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