limestone pavement, malham cove, malham, yorkshire dales nationalpark, north yorkshire, england, united kingdom - 石灰石人行道 個照片及圖片檔
natural limestone and dolomite shoreline along the bruce trail on the niagara escarpment. natural karst surface etched into the limestone. - 石灰石人行道 個照片及圖片檔
limestone pavement and weathering above malham cove, yorkshire dales national park, north yorkshire, england, united kingdom, europe - 石灰石人行道 個照片及圖片檔