They're in the news, along the Moray coast, the Rest-and-be-thankful, Stonehaven. I'm opinionated about the subject, and i was interviewed on 'Out of Doors' on Radio Scotland, on saturday 28 april 2018..... Listen to the podcast version,
https://www.bbc.co.uk/programmes/p065lhbb .(my bit starts after 7 minutes)....and get in touch if you have any better ideas...... jw