峭壁悬崖

赤城山上有一座天然的、完全由岩石架成的梁，桥面只有一尺宽，上面长满了又软又滑的苔藓，两旁是峭壁悬崖，极其危险。

There was a natural rock bridge in Mountain Chi Cheng . The bridge was only one foot in width , and was covered with smooth and slippery mosses1 . On both sides there were steep cliffs , and it was really dangerous .

科罗拉多河滚滚而过大峡谷国家公园的峭壁悬崖，这张加时曝光的照片模糊了摩卡色的泥浊河水。

A time-lapse image blurs the silty , mocha-colored waters of the Colorado River as it flows through sheer cliffs in Grand Canyon National Park .