Taiwan 2024 - Northeast Coast, Objects of Worship (?)

Not entirely sure what this was about, but am guessing that it's tied to religion in some way.  Didn't look closely, but if those pages are the fake money they use to burn for the use of one's ancestors, then it must be a similar "sacrifice", perhaps to the ocean or another god.  Plausible, since it was weighed down so the paper wouldn't scatter, and since no one bothered it since it was placed there.

Found another one a short distance away: