But they've gotten rid of the buried tires entirely– too many see it as a urinal.

Here nearby bushes used for this in case of emergency. Widely spreaded rumor is that you could be arrested as paedofile with all consequences if you pull your dick out on child playground. :) Never heard about real cases, really, but looks like shitting and peeing on playgrounds by drunks, children or stupid parents, which existed in late USSR / early RF is completely defeated now.

And at least peeing in bushes is even somewhat useful for bushes as fertiliser, unlike for playground structures. :)