old slate is covered with lichen. it's time to change the roof.

material rough tile abstract old roof architecture protection horizontal people weathered color dirty close-up rooftop shape building exterior construction industry design house outdoors pattern background lichen slate rock aged corner cover outside residential row structure textured tradition ageing angled old-fashioned shelter springtime sunlight surface wallpaper architectural built cultures home effect clear sky covered it#39aph39#s time change repair lichen roof repair