Dragonfly

Libèl·lula, originally uploaded by ziga-zaga.

Interesting wikipedia fact: They have six legs, like the rest of insects, but they can't walk.

Authority without guns

Shoulder to soldier. Young men in uniform, originally uploaded by Steve Punter.

Most British police officers don't carry guns. This old tradition, unthinkable in other places, has worked reasonably well even in modern times.