Strandbeest: Kinetic PVC Beach Animals

I'd been watching a lot of visual effects content on YouTube and assumed that's what this was when it popped up on my feed, initially -- eerily smooth, seemingly impossible walking exoskeletons : https://youtu.be/MYGJ9jrbpvg

Wikipedia page on a linkage the inventor uses for the legs: https://en.m.wikipedia.org/wiki/Jansen's_linkage