re: #197 Wendell Zurkowitz ((slave to the waffle light))
that is a common practice all over Europe. You lease a gravesite for 30 yers, after which you are disinterred and your bones placed in an ossuary.
Our local cemetery has an option to have your ashes placed in a biodegradable urn and buried at the base of a tree.
I imagine other European countries also have massive ossuaries, like the Italian WWI monuments, stuffed to the rafters with the arrayed bones of soldiers.