4日，两名韩国潜水员在首尔水族馆水下表演奥运项目跆拳道，迎接北京奥运会(见图)。

2 divers performed Taekwondo at the Seoul Aquarium Monday to embrace the upcoming Olympics (see photo).

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1920年和1928年，合球运动以表演项目登陆夏季奥运会，迅速扩大了影响。

In 1920 and 1928 it appeared on Olympic Games as a performance item and got wide influence quickly.

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篮球在1904年列入奥运会的表演项目，而到了1936年柏林奥运会，更成为正式项目。

Basketball Olympic Games in1904included performances, and by the1936Berlin Olympics, but also become an official project.

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