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Thanks a lot! Yes, that's one reason. Even, it was the first reason I heard 😅

However I miht stop doing it ahah if it affects the ecosystem.

Perhaps more than stop doing so, try to be conscious when doing it: take care that the stones we choose are not the home of plants or animals, or avoid doing it in places where people have exceeded themselves by stacking the stones.

When we overdo it, that's where the environmental problems start 😅