towering marble mountain walls and valleys in taroko national scenic area

rock terrain cliff geology formation waterfall adventure ravine stream tree trail canyon ridge water cave mountain boulder towering marbledali stone walls valleys taroko scenic hualien taiwan marble nature natural plant hill magnificent spectacular grand vast extensive expansive scenery scene spectacle view sight landscape stunning charming beautiful amazing dazzling picturesque breathtaking glamorous epic colorful multicolor green emerald blue indigo brown silver tranquil peaceful serenity serene quiet creek river rocky rapid torrent turbulent current watercourse tourism geoloy caving texture pristine clear distinct