What attracts you to someone you haven't met?

For example, you're at a place, and you're meeting new people for the first time.
Who do you go to first or which group of people do you especially want to meet or wouldn't mind meeting as in getting to know them?
What attracts you?
What qualities?
What physical appearances attract you?

Note: This isn't a survey nor poll nor questionnaire nor collecting information data use.
This is for learning. This will help you and others learn about you individually.
This can help you learn what you look for in another person or what you seek.

Everyone is different. Unique. :)