개막식에서는

개막식에서는

"In the opening ceremony."

Here, '개막식에서는' emphasizes the setting of the opening ceremony where representatives gathered.

개막식에서는 많은 국가의 대표들이 모였습니다.

At the opening ceremony, representatives from many countries gathered.

In this sentence, '개막식에서는' introduces the event context of the school's opening ceremony.

우리 학교의 개막식에서는 특별한 공연이 있었습니다.

At our school's opening ceremony, there was a special performance.

Here, '개막식에서는' sets the stage for the event at the Olympic opening ceremony, emphasizing its grandness.

올림픽 개막식에서는 화려한 불꽃놀이가 진행되었습니다.

At the Olympic opening ceremony, a magnificent fireworks display was held.