Pùbù cóng shānshàng qīngxiè ér xià, fēicháng zhuàngguān.
The waterfall cascades down the mountain - truly spectacular.
Tips
usage
壮观 describes visually impressive, large-scale sights - natural wonders, grand architecture, massive events. It's not used for small or delicate beauty (use 精美 or 美丽 instead).