Results showed that non athletes were greatly outperformed by gymnasts and orienteers, but not runners. Russia has a long history of successful female skaters and gymnasts. Some women trained as gymnasts and dancers, and a rare few as female gladiators. Dancers, gymnasts, and stunt men were hired to portray the aliens. The twenty best gymnasts competed in the finals. Algeria was part of France and sent four gymnasts who competed for France. The first World Championships for individual rhythmic gymnasts was held in 1963 in Budapest. Artistic gymnasts compete only with other gymnasts in their level. Both male and female gymnasts perform the vault. In the 1970s the average age of Olympic gymnasts began to decrease. In the Apparatus Finals gymnasts must also show two vaults. There are also group routines consisting of 5 gymnasts and 5 apparatuses of their choice. By 2003, Liukin was one of the strongest junior gymnasts in the United States. The exhibition event featured performances by artistic gymnasts who participated in Rio. She is one of the rare elite gymnasts to wear glasses during competition.