This work by https://www.swantower.com is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The bridges over the Seine have become a site for the “love padlock,” put there by couples who then throw the key into the river. This particular bridge is almost completely covered in them, and some enterprising soul came along and did a bit of graffiti across the locks themselves — making for a nice juxtaposition of medieval and modern.