Once upon a time, King Charles and Queen Camilla were seen saying hello to their friends as they wandered around Sydney. They were very happy to meet everyone during their six-day Aussie adventure. And the moral to the story is to always greet your friends with a smile.
Source:
https://www.news.com.au/entertainment/celebrity-life/royals/king-charles-gift-to-australia-revealed/image-gallery/499450eabd9313f677d15150fef23b8e