walk on something provides coolness to that something
walk_through is how_to_thing. walking_in_woods is not pleasant_means_of_exercise. walking is not good_exercise. animal_walking_process is walking_around. walking is good_exercise. walking is exercise. walk_in_woods is pleasant_experience. walk_through is not how_to_thing. walk_in_woods is not pleasant_experience. walking_in_woods is pleasant_means_of_exercise.