Sorry, but I haven’t seen a design yet that would be more effective than leaving the hole in the ground and making a memorial park out of it.
A "surly curmudgeon[], suspicious and lacking in altruism." (Robert A. Heinlein)
A "surly curmudgeon[], suspicious and lacking in altruism." (Robert A. Heinlein)
Sorry, but I haven’t seen a design yet that would be more effective than leaving the hole in the ground and making a memorial park out of it.