Not related to this legend, who is now 100 years old...
But instead to this practice - which is affecting bridges in cities around Europe.
There's a whole host of resources linked to from this story, and I've made a start on linking them together into a single resource with themes of changing places, sustainable tourism, and all based around a DME.
Will be freely available when it's completed as always.
Image copyright: Alan Parkinson - shared under CC license