Animated pavilion made of cardboard and powered by sand

A better source would be the design-studios website (where this aggregator took all the images and content, but does eventually reference): https://pinaffo-pluvinage.com/En-cascade

Their newest work (also 2023) is interesting too: https://pinaffo-pluvinage.com/Fanions

* powered by gravity. Would work just as well with water or any other transmission of gravity.

* powered by the lady with the bucket constantly refilling the mechanisms

Came across this and instantly fell in love. Reminds me of Ray and Charles Eames Solar Do-Nothing Machine.