Teeny tiny bees are pollinating my black raspberries! (Sweat bees?)
They're in tubs instead of the ground, and there aren't many other flowers (hence many bees) nearby. I'd been trying to pollinate them by hand, but it turns out I just wasn't around at the right time of day to find out that there are bugs working hard on my raspberries.
I think I got religion for a moment out there. I threw my arms back and shouted, "Thank you, Heaven!"