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,
Olympic Truce ahead of the Sochi winter games in 2014. This level of international interest, paired with our continued engagement, will help cement our legacy of encouraging future games hosts to promote the ideals of the Olympic truce in their own ways". The official Olympic Truce logo is a graphic with three elements: a dove, flames, and the Olympic rings. The meaning behind the logo is as follows: The United Nations is in support of the Olympic Truce and before each Summer and Winter Olympic Games, adopts a resolution called "Building a peaceful and better world through sport and the Olympic ideal".