What's the first thing that comes to mind when you hear the word "beautiful"?

"Beauty is in the eye of the beholder". What's the number one thing that you think of every time you think beauty? Is it something you see? Something you hear? Something that nobody else thinks so except you? Something literal/real or something imaginable? What kind of amazing gorgeous stunning things tumawid your mind that makes you even say "beautiful"? Just like the poll I posted. What's your paborito type of beautiful?