marked trunk. sign of red paint in the form of a cross on the bark of a diseased tree. sanitary felling in the park

abstract aging bark beetle big blood bug chop climate cross dead direction diseased drawing dry environment environmental felling forest forestry form green guide hiking indication industry large logging lumber lumberjack mark marked nature oak old organic orientation paint park poplar protection red roll sanitary sick sign signpost symbol texture tourist trail tree trekking trip trunk way wood