Cork in a Bottle

One green bottle, hanging on a wall... I always used to wonder how the bottles came to be "hanging" on a wall. Were they tied up with string? Did they have wire around them? Were they put there by a magician and just floating in space? And how did they end up falling on the floor? Was some vandal knocking them off when no one was looking? To make it look like they had "accidentally" fallen? So many questions when you are young.