Good "fore" ya Yogi!

If you don't mind my asking, Who are the individuals in the yellow pull-overs and
what is the white head dress on some of them for?
I'm guessing that it is cold and they are trying to warm their ears?

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Laugh when you can, apologize when you should, and let go of what you can't change. Kiss slowly, play hard, forgive quickly, take chances, give everything, never go to sleep angry and have no regrets. Life is too short to be anything but happy.