Death row inmates in giant hamster balls works well also and is more entertaining.

Mines should be made in the ass to those that build

Ground thrasher is more effective than some ball randomly blowing in the wind.

use cats... lots and lots of cats.... or pandas.

bamboo? in the desert?
it's a good idea, or art installation to let us think about the problems we give each other.
but shipping lots of bamboo from the rain-forest to the desert?...

Those poor land mines. Let them do their job. That's why they were made.

I think we should put the mentally handicap to work digging them up.