The DU Lounge

I recognize a bunch of those. 👍
It's been a long time since I've had any. Used to go to Chinatown to dedicated dim sum places. Occasionally a Chineese restaurant would have some elsewhere.

While not at all a dumpling- there's that green wrapped item in a white container near the center right...
Sticky rice wrapped in Lotus leaf! Sticky rice, plus various ingredients like: chicken, shitake mushrooms, pork, sausage, and more. The lotus leaf imparts a subtle flavor, too, maaaybe smoky-ish. Very tasty!

And, yeah, have had pierogies, too.