PARIS, FRANCE - JUNE 1: Padlocks hanging on the 'Pont Notre-Dame' on June 1, 2015 in Paris, France. The accumulation of 'love locks', where couples attach a lock to symbolize their love on the sides of the bridge posed safety problems, because of their mass weight. Artwork will provisionally be installed on the railings (panels painted by artists) until such a time as glass panes have been fitted along the bridge. (Photo by Geoffroy Van der Hasselt/Anadolu Agency/Getty Images)