For romantics in Paris, nothing says love like a padlock attached to a bridge. Couples attach 'love locks' inscribed with their initials and throw the keys into the Seine. As the idea has caught on, more and more locks have showed up on bridges. Some consider them romantic, but others see them as vandalism.
Two Americans who live in the City of Light feel the locks are an unromantic eyesore and started a "No Love Locks" campaign to ban them. Their Change.org petition has already received more than 2,500 signatures. (Click here to see the full story.)
Here's a look at love locks in Paris and other cities around the world.