intense green lichen covered wooden utility pole

intense green lichen cover wooden utility pole asturias spain humidity power line long format electricity longevity durability natural material exposed decay fungi wood fiber distribution equipment structures support electrical infrastructure forest resources structural capabilities service life outdoors voltage mast pistachio lepraria incana powdery crustose lichens closeup dust stereocaulaceae soredia divaricatic acid zeorin shaded wet locations calm scenic nature setting wilderness greenery covered