The heavy traffic has compounded the trail's problems through erosion.
A natural bridge is formed through erosion by water flowing in the stream bed of the canyon.
Granite is the most common stone found among the mountains, much of which has been exposed through erosion.
Through erosion the mountain has arrived at its present form with several peaks.
This helped prevent the soil being washed away through erosion.
The holes, formed through erosion, let in light into the cave.
This headland has now almost entirely disappeared through coastal erosion.
It had a large headdress that reaches to the eyebrows but any details have been lost through erosion.
Many are now damaged or lost through erosion.
It takes 500 years to replace 1 inch of top soil lost through erosion.
