moss on stone dyke (wall)

Around here the air is so clean everything is covered in lichen, the moss is over everthing that is shady too. I just love the sight of it. Undisturbed for year after year.
I seem to have been distracted with life and not getting my camera out, hopefully I am over this glitch! Sometimes it seem really difficult to find what I want to snap and having to think of something new is tooo difficult! The sign of not a very good photograhper I suspect! Never mind - I shall keep trying....