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
London 2012 Olympic Torch torchbearer runs. The torch has two layers: an inner and an outer 'skin' with 3,600 and 4,400 holes respectively, held in place by a top and a bottom casting. The pattern created by the perforations and the overlapping layers was inspired by the Olympic rings. The components are laser-welded together and the holes are laser cut. The London 2012 Torch is one of the lightest Olympic torches. It is made from gold PVD-finished aluminium. A torch was produced for every torchbearer (8,000); each weighs around and stands tall. The weight was achieved to ensure the torch was able to be