Idea for Visual

I am designing a poster for a school and the principal wants to bring out the idea of capturing a moment. I dunno why but right now I can’t seem to think of any visual to bring out this concept. Can anyone offer some ideas of what images might bring out the concept well?
Thanks!

maybe like a flower just beginning to blossom…?

Maybe a picture of a clock with or without a flower?

Maybe a camera…?

yes i also first thought of a camera with a beautiful scene inside

Thanks, everyone!
I’m working on it, will post the final designs when done…