Comaneci's perfect 10, Scherbo's golden Barcelona, Biles' 'twisties'

Gymnastics has emerged as one of the showstopping Olympic sports.AFP Sport takes a look at five unforgettable moments served up by some of the world's greatest athletes on the journey to this summer's Games in Paris with action getting underway on Saturday: Alberto Braglia - London 1908 The first athlete to put gymnastics on the map was self-taught in a barn in his native Modena in Italy.