<P> A love lock or love padlock is a padlock which sweethearts lock to a bridge, fence, gate, monument or similar public fixture to symbolize their love . Typically the sweethearts' names or initials are inscribed on the padlock, and its key is thrown away to symbolize unbreakable love . </P> <P> Since the 2000s, love locks have proliferated at an increasing number of locations worldwide . They are now mostly treated by municipal authorities as litter or vandalism, and there is some cost to their removal . However, there are authorities who embrace them, and who use them as fundraising projects or tourism attractions . </P>

What is the significance of locks on bridges