You may see a floating bin, but if you do it just means you’ve been in the house too long.
What you’re seeing is a wet spot on the pavement.

Unlike the previous tweet in this thread, I’ve no explanation for this one.... https://abs.twimg.com/emoji/v2/... draggable="false" alt="🤷🏼‍♂️" title="Man shrugging (medium light skin tone)" aria-label="Emoji: Man shrugging (medium light skin tone)">