The image consists of two bull heads attached to one body, with a cup on top and the Olympic symbols underneath. The bull is a symbol of productivity in ancient Persian beliefs and Persian Literature, and the cup on the top of the column represents the championship.The team then changed the crest again in the middle of the 1990s to a more stylised image: the crest became bent[clarification needed] and the Olympic rings were dropped, the cup became more explicit, and the bull heads leaned toward the cup.