Hiking Trail in Lush Forest

hiking trail trail woodland forestland trails green forest hiking nature lush forest wilderness verdant ponga natural park vegetation forestry trees national park environment protected area treetops greenery immerse yourself in nature ecology exploration outdoors mountain lungs of the earth asturias fresh air outside foliage sunrays sunlight conservation natural tranquil no people cantabrian mountains meditation oxygen flora wild travel rest and relax botany growing growth evergreen spain vacation