This woman stood by the river, in the middle of Kyoto, with a "Free Hugs" sign. I was taking photos from the bridge and saw a few people approach her, hug, and then walk off. I was curious to hear about what she was trying to achieve, and went up to her.
She didn't speak any English. And I didn't speak any Japanese. So, after a minute or two of trying, I gave up the conversation - and we hugged.
It was a warm hug, which was especially notable because we'd never met. Nor would we ever meet again. I guess it's about spreading love, or world peace, or something like that.
As it turns out, there is actually a whole global movement around this