Soldato
Interned in the royal vaultYeah buried is not quite the right word for what happens to their coffins but still keeps being used on the news.
A coffin buried in soil will completely break down after a few decades maybe, and the occupant would be worm food. Those coffins could survive for hundreds of years. Maybe they don't care but, I dunno, must be strange feeling maybe, knowing your body will be kind of still in one sort of piece not gone to nothing?