托福阅读材料：奥运会比赛项目花样游泳英文介绍(2)
奥运会比赛项目花样游泳英文介绍
Originally known as water ballet, synchronised swimming began in Canada in the 1920s. It spread to the United States in the early '30s, where a display at the 1934 Chicago World's Fair drew rave reviews. Its popularity soared further when Esther Williams performed in a string of MGM "aqua musicals" in the 1940s and '50s.
