The Krypton Factor were set. The contestants, from 1986 onwards, all had their own corresponding colour, either red, green, yellow or blue. They wore their own clothes, apart from the Physical Ability round where the contestants wore track suits which were, in early series, red, burgundy, orange, green, black, light blue and dark blue. From 1986 onwards, the tracksuits were red, green, yellow and blue, and varied in design over the series that followed. The track suits changed to black with a coloured stripe from 1990 to 1993. For their own clothes, the contestants either wore a shirt/blouse, tie or a neckscarf of
Olympic Games profits from the Olympic symbols. The IOC also takes a percentage of all sponsorship and broadcast income. Host cities continue to compete ardently for the right to host the Games, even though there is no certainty that they will earn back their investments. Research has shown that trade is around 30 percent higher for countries that have hosted the Olympics. The Olympic Movement uses symbols to represent the ideals embodied in the Olympic Charter. The Olympic symbol, better known as the Olympic rings, consists of five intertwined rings and represents the unity of the five inhabited continents (Africa, America, Asia,