We found a "Paley's watch"

 While on one of our regular lockdown walks in the woods, we stumbled upon this arrangement of leaves, sticks, and stones:

It's a shame that I don't teach philosophy of religion any more, because this would be a useful example to illustrate teleological (or 'design') arguments - the classic example is William Paley's watch. While we don't know who made this, or why, we immediately assume purposive design, rather than natural chance.